1.  A piece of wood, metal, or other material, long in proportion to its breadth or thickness, used as a lever and for various other purposes, but especially for a hindrance, obstruction, or fastening; as, the bars of a fence or gate; the bar of a door. [1913 Webster]
"Thou shalt make bars of shittim wood." [1913 Webster]

2.  An indefinite quantity of some substance, so shaped as to be long in proportion to its breadth and thickness; as, a bar of gold or of lead; a bar of soap. [1913 Webster]

3.  Anything which obstructs, hinders, or prevents; an obstruction; a barrier. [1913 Webster]
"Must I new bars to my own joy create?" [1913 Webster]

4.  A bank of sand, gravel, or other matter, esp. at the mouth of a river or harbor, obstructing navigation. [1913 Webster]

5.  Any railing that divides a room, or office, or hall of assembly, in order to reserve a space for those having special privileges; as, the bar of the House of Commons. [1913 Webster]

6.  The railing that incloses the place which counsel occupy in courts of justice. Hence, the phrase at the bar of the court signifies in open court. [1913 Webster]

7.  Any tribunal; as, the bar of public opinion; the bar of God. [1913 Webster]

8.  A barrier or counter, over which liquors and food are passed to customers; hence, the portion of the room behind the counter where liquors for sale are kept. [1913 Webster]

9.  An ordinary, like a fess but narrower, occupying only one fifth part of the field. [1913 Webster]

10.  A broad shaft, or band, or stripe; as, a bar of light; a bar of color. [1913 Webster]

11.  A vertical line across the staff. Bars divide the staff into spaces which represent measures, and are themselves called measures. [1913 Webster]
" A double bar marks the end of a strain or main division of a movement, or of a whole piece of music; in psalmody, it marks the end of a line of poetry. The term bar is very often loosely used for measure, i.e., for such length of music, or of silence, as is included between one bar and the next; as, a passage of eight bars; two bars' rest." [1913 Webster]

12.  The space between the tusks and grinders in the upper jaw of a horse, in which the bit is placed. [1913 Webster]

13.  A drilling or tamping rod. [1913 Webster]

14.  A gatehouse of a castle or fortified town. [1913 Webster]

1.  To fasten with a bar; as, to bar a door or gate. [1913 Webster]

2.  To restrict or confine, as if by a bar; to hinder; to obstruct; to prevent; to prohibit; as, to bar the entrance of evil; distance bars our intercourse; the statute bars my right; the right is barred by time; a release bars the plaintiff's recovery; -- sometimes with up. [1913 Webster]
"He barely looked the idea in the face, and hastened to bar it in its dungeon." [1913 Webster]

3.  To except; to exclude by exception. [1913 Webster]
"Nay, but I bar to-night: you shall not gauge me
By what we do to-night." [1913 Webster]

4.  To cross with one or more stripes or lines. [1913 Webster]
"For the sake of distinguishing the feet more clearly, I have barred them singly." [1913 Webster]

bar, n., v., & prep.
--n.
1 a long rod or piece of rigid wood, metal, etc., esp. used as an obstruction, confinement, fastening, weapon, etc.
2 a something resembling a bar in being (thought of as) straight, narrow, and rigid (bar of soap; bar of chocolate). b a band of colour or light, esp. on a flat surface. c the heating element of an electric fire. d = CROSSBAR. e Brit. a metal strip below the clasp of a medal, awarded as an extra distinction. f a sandbank or shoal at the mouth of a harbour or an estuary. g Brit. a rail marking the end of each chamber in the Houses of Parliament. h Heraldry a narrow horizontal stripe across a shield.
3 a a barrier of any shape. b a restriction (colour bar; a bar to promotion).
4 a a counter in a public house, restaurant, or caf{eacute} across which alcohol or refreshments are served. b a room in a public house in which customers may sit and drink. c US a public house. d a small shop or stall serving refreshments (snack bar). e a specialized department in a large store (heel bar).
5 a an enclosure in which a prisoner stands in a lawcourt. b a public standard of acceptability, before which a person is said to be tried (bar of conscience). c a plea arresting an action or claim in a law case. d a particular court of law.
6 Mus. a any of the sections of usu. equal time-value into which a musical composition is divided by vertical lines across the staff. b = bar-line.
7 (the Bar) Law a barristers collectively. b the profession of barrister.
--v.tr. (barred, barring)
1 a fasten (a door, window, etc.) with a bar or bars. b (usu. foll. by in, out) shut or keep in or out (barred him in).
2 obstruct, prevent (bar his progress).
3 a (usu. foll. by from) prohibit, exclude (bar them from attending). b exclude from consideration (cf. BARRING).
4 mark with stripes.
5 Law prevent or delay (an action) by objection.
--prep.
1 except (all were there bar a few).
2 Racing except (the horses indicated: used in stating the odds, indicating the number of horses excluded) (33-1 bar three).

Idiom:
bar billiards a form of billiards in which balls are knocked into holes in the table. bar chart a chart using bars to represent quantity. bar-code a machine-readable code in the form of a pattern of stripes printed on and identifying a commodity, used esp. for stock-control. bar-line Mus. a vertical line used to mark divisions between bars. bar none with no exceptions. bar person a barmaid or barman. bar sinister = bend sinister (see BEND(2)). bar tracery tracery with strips of stone across an aperture. be called to the Bar Brit. be admitted as a barrister. be called within the Bar Brit. be appointed a Queen's Counsel. behind bars in prison. the outer Bar barristers who are not Queen's Counsels.

bar, n. esp. Meteorol. a unit of pressure, 10(5) newton per square metre, approx. one atmosphere.

Etymology:
Gk baros weight

VB  be excluded from, exclude, bar, leave out, shut out, bar out, reject, repudiate, blackball, lay apart, put apart, set apart, lay aside, put aside, relegate, segregate, throw overboard, strike off, strike out, neglect, banish, separate, pass over, omit, garble, eliminate, weed, winnow, be secluded, live secluded, keep aloof, stand, hold oneself aloof, keep in the background, stand in the background, keep snug, shut oneself up, deny oneself, seclude oneself creep into a corner, rusticate, aller planter ses choux, retire, retire from the world, take the veil, abandon, sport one's oak, cut, cut dead, refuse to associate with, refuse to acknowledge, look cool upon, turn one's back upon, shut the door upon, repel, blackball, excommunicate, exclude, exile, expatriate, banish, outlaw, maroon, ostracize, proscribe, cut off from, send to Coventry, keep at arm's length, draw a cordon round, depopulate, dispeople, unpeople.

N  hindrance, prevention, preclusion, obstruction, stoppage, embolus, embolism, infarct, interruption, interception, interclusion, hindrance, impedition, retardment, retardation, embarrassment, oppilation, coarctation, stricture, restriction, restraint, inhibition, blockade, interference, interposition, obtrusion, discouragement, discountenance, impediment, let, obstacle, obstruction, knot, knag, check, hitch, contretemps, screw loose, grit in the oil, bar, stile, barrier, turnstile, turnpike, gate, portcullis, beaver dam, trocha, barricade, wall, dead wall, sea wall, levee breakwater, groyne, bulkhead, block, buffer, stopper, boom, dam, weir, burrock, drawback, objection, stumbling-block, stumbling-stone, lion in the path, snag, snags and sawyers, encumbrance, incumbrance, clog, skid, shoe, spoke, drag, drag chain, drag weight, stay, stop, preventive, prophylactic, load, burden, fardel, onus, millstone round one's neck, impedimenta, dead weight, lumber, pack, nightmare, Ephialtes, incubus, old man of the sea, remora, difficulty, insuperable, obstacle, estoppel, ill wind, head wind, trammel, tether, hold back, counterpoise, damper, wet blanket, hinderer, marplot, killjoy, party pooper, party crasher, interloper, trail of a red herring, opponent, hindering, obstructive, obstruent, impeditive, impedient, intercipient, prophylactic, impedimentary, in the way of, unfavorable, onerous, burdensome, cumbrous, cumbersome, obtrusive, hindered, windbound, waterlogged, heavy laden, hard pressed, unassisted &c (assist), single-handed, alone, deserted, occurrent nubes.

VB  hinder, impede, filibuster, impedite, embarrass, keep off, stave off, ward off, obviate, avert, antevert, turn aside, draw off, prevent, forefend, nip in the bud, retard, slacken, check, let, counteract, countercheck, preclude, debar, foreclose, estop, inhibit, shackle, restrict, obstruct, stop, stay, bar, bolt, lock, block, block up, choke off, belay, barricade, block the way, bar the way, stop the way, forelay, dam up, put on the brake, scotch the wheel, lock the wheel, put a spoke in the wheel, put a stop to, traverse, contravene, interrupt, intercept, oppose, hedge in, hedge round, cut off, inerclude, interpose, interfere, intermeddle, cramp, hamper, clog, clog the wheels, cumber, encumber, incumber, handicap, choke, saddle with, load with, overload, lay, lumber, trammel, tie one's hands, put to inconvenience, incommode, discommode, discompose, hustle, corner, drive into a corner, run foul of, fall foul of, cross the path of, break in upon, thwart, frustrate, disconcert, balk, foil, faze, feaze, feeze, baffle, snub, override, circumvent, defeat, spike guns, spoil, mar, clip the wings of, cripple, put an extinguisher on, damp, dishearten, discountenance, throw cold water on, spoil sport, lay a wet blanket, throw a wet blanket on, cut the ground from under one, take the wind out of one's sails, undermine, be in the way of, stand in the way of, act as a drag, hang like a millstone round one's neck.

N  prison, prison house, jail, gaol, cage, coop, den, cell, stronghold, fortress, keep, donjon, dungeon, Bastille, oubliette, bridewell, house of correction, hulks, tollbooth, panopticon, penitentiary, guardroom, lockup, hold, round house, watch house, station house, sponging house, station, house of detention, black hole, pen, fold, pound, inclosure, isolation (exclusion), penal settlement, penal colony, bilboes, stocks, limbo, quod, calaboose, chauki, choky, thana, workhouse, Newgate, Fleet, Marshalsea, King's Bench, Queen's Bench, bond, bandage, irons, pinion, gyve, fetter, shackle, trammel, manacle, handcuff, straight jacket, strait jacket, strait-jacket, strait-waistcoat, hopples, vice, vise, yoke, collar, halter, harness, muzzle, gag, bit, brake, curb, snaffle, bridle, rein, reins, bearing rein, martingale, leading string, tether, picket, band, guy, chain, cord, cavesson, hackamore, headstall, jaquima, lines, ribbons, bolt, deadbolt, bar, lock, police lock, combination lock, padlock, rail, wall, stone wall, paling, palisade, fence, picket fence, barbed wire fence, Cyclone fence, stockade fence, chain-link fence, barrier, barricade, drag.

VB  prohibit, inhibit, forbid, put one's veto upon, disallow, enjoin, ban, outlaw, taboo, proscribe, estop, bar, debar, forefend, keep in, keep within bounds, restrain, cohibit, withhold, limit, circumscribe, clip the wings of, restrict, interdict, taboo, put under an interdiction, place under an interdiction, put under the ban, place under the ban, proscribe, exclude, shut out, shut the door, bolt the door, show the door, warn off, dash the cup from one's lips, forbid the banns.

N  lawyer, attorney, legal counsel, counsel, counsellor, counsellor at law, attorney at law, jurist, legist, civilian, pundit, publicist, juris consult, legal adviser, advocate, barrister, barrister at law, King's or Queen's counsel, K, C, Q, C, silk gown, leader, sergeant-at-law, bencher, tubman, judge, bar, legal profession, bar association, association of trial lawyers, officer of the court, gentleman of the long robe, junior bar, outer bar, inner bar, equity draftsman, conveyancer, pleader, special pleader, solicitor, proctor, notary, notary public, scrivener, cursitor, writer, writer to the signet, S, S, C, limb of the law, pettifogger, vakil, legal beagle, legal secretary, legal assistant, law student, learned in the law, at the bar, forensic, esquire, esquired, banco regis.

N  abode, dwelling, lodging, domicile, residence, apartment, place, digs, pad, address, habitation, where one's lot is cast, local habitation, berth, diggings, seat, lap, sojourn, housing, quarters, headquarters, resiance, tabernacle, throne, ark, home, fatherland, country, homestead, homestall, fireside, hearth, hearth stone, chimney corner, inglenook, ingle side, harem, seraglio, zenana, household gods, lares et penates, roof, household, housing, dulce domum, paternal domicile, native soil, native land, habitat, range, stamping ground, haunt, hangout, biosphere, environment, ecological niche, nest, nidus, snuggery, arbor, bower, lair, den, cave, hole, hiding place, cell, sanctum sanctorum, aerie, eyrie, eyry, rookery, hive, covert, resort, retreat, perch, roost, nidification, kala jagah, bivouac, camp, encampment, cantonment, castrametation, barrack, casemate, casern, tent, building, chamber, xenodochium, tenement, messuage, farm, farmhouse, grange, hacienda, toft, cot, cabin, hut, chalet, croft, shed, booth, stall, hovel, bothy, shanty, dugout, wigwam, pen, barn, bawn, kennel, sty, doghold, cote, coop, hutch, byre, cow house, cow shed, stable, dovecote, columbary, columbarium, shippen, igloo, iglu, jacal, lacustrine dwelling, lacuslake dwelling, lacuspile dwelling, log cabin, log house, shack, shebang, tepee, topek, house, mansion, place, villa, cottage, box, lodge, hermitage, rus in urbe, folly, rotunda, tower, chateau, castle, pavilion, hotel, court, manor-house, capital messuage, hall, palace, kiosk, bungalow, casa, country seat, apartment house, flat house, frame house, shingle house, tenement house, temple, hamlet, village, thorp, dorp, ham, kraal, borough, burgh, town, city, capital, metropolis, suburb, province, country, county town, county seat, courthouse, ghetto, street, place, terrace, parade, esplanade, alameda, board walk, embankment, road, row, lane, alley, court, quadrangle, quad, wynd, close, yard, passage, rents, buildings, mews, square, polygon, circus, crescent, mall, piazza, arcade, colonnade, peristyle, cloister, gardens, grove, residences, block of buildings, market place, place, plaza, anchorage, roadstead, roads, dock, basin, wharf, quay, port, harbor, quarter, parish, assembly room, meetinghouse, pump room, spa, watering place, inn, hostel, hostelry, hotel, tavern, caravansary, dak bungalow, khan, hospice, public house, pub, pot house, mug house, gin mill, gin palace, bar, bar room, barrel house, cabaret, chophouse, club, clubhouse, cookshop, dive, exchange, grill room, saloon, shebeen, coffee house, eating house, canteen, restaurant, buffet, cafe, estaminet, posada, almshouse, poorhouse, townhouse, garden, park, pleasure ground, plaisance, demesne, cage, terrarium, doghouse, pen, aviary, barn, stall, zoo, urban, metropolitan, suburban, provincial, rural, rustic, domestic, cosmopolitan, palatial, eigner Hert ist goldes Werth, even cities have their graves, ubi libertas ibi patria, home sweet home.

N  length, longitude, span, mileage, distance, line, bar, rule, stripe, streak, spoke, radius, lengthening, prolongation, production, protraction, tension, tensure, extension, line, nail, inch, hand, palm, foot, cubit, yard, ell, fathom, rood, pole, furlong, mile, league, chain, link, arpent, handbreadth, jornada, kos, vara, astronomical unit, AU, light- year, parsec, nanometer, nm, micron, micrometer, millimicron, millimeter, mm, centimeter, cm, meter, kilometer, km, pedometer, perambulator, scale, long, longsome, lengthy, wiredrawn, outstretched, lengthened, sesquipedalian, interminable, no end of, macrocolous, linear, lineal, longitudinal, oblong, as long as my arm, as long as today and tomorrow, unshortened &c (shorten), lengthwise, at length, longitudinally, endlong, along, tandem, in a line, in perspective, from end to end, from stem to stern, from head to foot, from the crown of the head to the sole of the foot, from top to toe, fore and aft.

N  support, ground, foundation, base, basis, terra firma, bearing, fulcrum, bait, caudex crib, point d'appui, pou sto, purchase footing, hold, locus standi, landing place, landing stage, stage, platform, block, rest, resting place, groundwork, substratum, riprap, sustentation, subvention, floor, supporter, aid, prop, stand, anvil, fulciment, cue rest, jigger, monkey, stay, shore, skid, rib, truss, bandage, sleeper, stirrup, stilts, shoe, sole, heel, splint, lap, bar, rod, boom, sprit, outrigger, ratlings, staff, stick, crutch, alpenstock, baton, staddle, bourdon, cowlstaff, lathi, mahlstick, post, pillar, shaft, thill, column, pilaster, pediment, pedicle, pedestal, plinth, shank, leg, socle, zocle, buttress, jamb, mullion, abutment, baluster, banister, stanchion, balustrade, headstone, upright, door post, jamb, door jamb, frame, framework, scaffold, skeleton, beam, rafter, girder, lintel, joist, travis, trave, corner stone, summer, transom, rung, round, step, sill, angle rafter, hip rafter, cantilever, modillion, crown post, king post, vertebra, columella, backbone, keystone, axle, axletree, axis, arch, mainstay, trunnion, pivot, rowlock, peg, tiebeam, thole pin, board, ledge, shelf, hob, bracket, trevet, trivet, arbor, rack, mantel, mantle piece, mantleshelf, slab, console, counter, dresser, flange, corbel, table, trestle, shoulder, perch, horse, easel, desk, clotheshorse, hatrack, retable, teapoy, seat, throne, dais, divan, musnud, chair, bench, form, stool, sofa, settee, stall, arm chair, easy chair, elbow chair, rocking chair, couch, fauteuil, woolsack, ottoman, settle, squab, bench, aparejo, faldstool, horn, long chair, long sleeve chair, morris chair, lamba chauki, lamba kursi, saddle, pannel, pillion, side saddle, pack saddle, pommel, bed, berth, pallet, tester, crib, cot, hammock, shakedown, trucklebed, cradle, litter, stretcher, bedstead, four poster, French bed, bunk, kip, palang, bedding, bichhona, mattress, paillasse, pillow, bolster, mat, rug, cushion, footstool, hassock, tabouret, tripod, monopod, Atlas, Persides, Atlantes, Caryatides, Hercules, supporting, supported, fundamental, dorsigerous, astride on, straddle.

VB  close, occlude, plug, block up, stop up, fill up, bung up, cork up, button up, stuff up, shut up, dam up, blockade, obstruct, bar, bolt, stop, seal, plumb, choke, throttle, ram down, dam, cram, trap, clinch, put to the door, shut the door.

N  concord, accord, harmony, symphony, homologue, agreement, sympathy, empathy, response, union, unison, unity, bonds of harmony, peace, unanimity, league, happy family, rapprochement, reunion, amity, alliance, entente cordiale, good understanding, conciliation, peacemaker, intercessor, mediator, concordant, congenial, agreeing, in accord, harmonious, united, cemented, banded together, allied, friendly, fraternal, conciliatory, at one with, of one mind, at peace, in still water, tranquil, with one voice, in concert with, hand in hand, on one's side, commune periculum concordiam parit, melody concord, melody, rhythm, measure, rhyme, pitch, timbre, intonation, tone, scale, gamut, diapason, diatonic chromatic scale, enharmonic scale, key, clef, chords, modulation, temperament, syncope, syncopation, preparation, suspension, resolution, staff, stave, line, space, brace, bar, rest, appoggiato, appoggiatura, acciaccatura, note, musical note, notes of a scale, sharp, flat, natural, high note, low note, interval, semitone, second, third, fourth, diatessaron, breve, semibreve, minim, crotchet, quaver, semiquaver, demisemiquaver, hemidemisemiquaver, sustained note, drone, burden, tonic, key note, leading note, fundamental note, supertonic, mediant, dominant, submediant, subdominant, octave, tetrachord, major key, minor key, major scale, minor scale, major mode, minor mode, passage, phrase, concord, harmony, emmeleia, unison, unisonance, chime, homophony, euphony, euphonism, tonality, consonance, consent, part, harmony, harmonics, thorough-bass, fundamental-bass, counterpoint, faburden, piece of music, composer, harmonist, contrapuntist (musician), harmonious, harmonical, in concord, in tune, in concert, unisonant, concentual, symphonizing, isotonic, homophonous, assonant, ariose, consonant, measured, rhythmical, diatonic, chromatic, enharmonic, melodious, musical, melic, tuneful, tunable, sweet, dulcet, canorous, mellow, mellifluous, soft, clear, clear as a bell, silvery, euphonious, euphonic, euphonical, symphonious, enchanting fine-toned, full-toned, silver-toned, harmoniously, in harmony, as one, the hidden soul of harmony.

anti-sway bar, apricot bar, axle bar, bar absolute, bar billiards, bar bit, bar chart, bar code, bar exam, bar examination, bar fly, bar girl, bar graph, bar hop, bar iron, bar line, bar magnet, bar mask, bar mitzvah, bar printer, bar sinister, bar soap, candy bar, carob bar, cash bar, chinning bar, chocolate bar, coffee bar, color bar, colour bar, date bar, double bar, fruit bar, gill bar, grab bar, granola bar, hershey bar, high bar, hitching bar, horizontal bar, metal bar, milk bar, nougat bar, nut bar, oyster bar, peanut bar, pinch bar, pry bar, ripping bar, salad bar, sand bar, slice bar, snack bar, space bar, stabilizer bar, stall bar, sushi bar, sway bar, tamping bar, towel bar, wet bar, wine bar, wrecking bar