1.  pin(n = noun.artifact) Array - a piece of jewelry that is pinned onto the wearer's garment; Array
is a kind of jewellery, jewelry
has particulars: breastpin, broach, brooch, scatter pin, stickpin, scarfpin, tie tack, tiepin

2.  pin(n = noun.event) fall - when a wrestler's shoulders are forced to the mat; Array
is a kind of triumph, victory
is a part of wrestling match
has particulars: takedown

3.  pin(n = noun.communication) peg - small markers inserted into a surface to mark scores or define locations etc.; Array
is a kind of mark, marker, marking

4.  pin(n = noun.communication) personal identification number, pin number - a number you choose and use to gain access to various accounts; Array
is a kind of identification number, number

5.  pin(n = noun.body) peg, stick - informal terms for the leg; "fever left him weak on his sticks"
is a kind of leg

6.  pin(n = noun.artifact) pivot - axis consisting of a short shaft that supports something that turns; Array
is a kind of axis, axis of rotation
has particulars: fulcrum, pintle

7.  pin(n = noun.artifact) pin tumbler - cylindrical tumblers consisting of two parts that are held in place by springs; when they are aligned with a key the bolt can be thrown; Array
is a kind of tumbler
is a part of cylinder lock

8.  pin(n = noun.artifact) flag - flagpole used to mark the position of the hole on a golf green; Array
is a kind of golf equipment

9.  pin(n = noun.artifact) Array - a small slender (often pointed) piece of wood or metal used to support or fasten or attach things; Array
is a kind of fastener, fastening, fixing, holdfast
has parts: head, pinhead, point, shank, stem
has particulars: barrette, bitt pin, hairpin, hatpin, linchpin, lynchpin, nog, peg, rivet, safety pin, skewer, straight pin, gudgeon pin, wrist pin
Derived forms verb pin₂, verb pin₃

10.  pin(n = noun.artifact) oarlock, peg, rowlock, thole, tholepin - a holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing; Array
is a kind of holder
is a part of dinghy, dory, rowboat

11.  pin(n = noun.artifact) bowling pin - a club-shaped wooden object used in bowling; set up in triangular groups of ten as the target; Array
is a kind of bowling equipment
has particulars: candlepin, duckpin, headpin, kingpin, ninepin, skittle, skittle pin, tenpin

1.  pin(v = verb.contact) immobilise, immobilize, trap - to hold fast or prevent from moving; "The child was pinned under the fallen tree"
Sample sentences: The fighter managed to pin his opponent

2.  pin(v = verb.contact) Array - attach or fasten with pins or as if with pins; "pin the needle to the shirt"; "pin the blame on the innocent man"
is one way to fasten, fix, secure
Antonym: unpin
Derived form noun pin₉
Sample sentences: Somebody ----s something PP

3.  pin(v = verb.contact) Array - pierce with a pin; "pin down the butterfly"
is one way to empale, impale, spike, transfix
Derived form noun pin₉
Sample sentences: Somebody ----s something; Somebody ----s somebody; Something ----s somebody; Something ----s something

4.  pin(v = verb.competition) Array - immobilize a piece; Array
is one way to aggress, attack
Sample sentences: Somebody ----s something

   To peen. [1913 Webster]

   To inclose; to confine; to pen; to pound. [1913 Webster]

1.  A piece of wood, metal, etc., generally cylindrical, used for fastening separate articles together, or as a support by which one article may be suspended from another; a peg; a bolt. [1913 Webster]
"With pins of adamant
And chains they made all fast." [1913 Webster]

2.  Especially, a small, pointed and headed piece of brass or other wire (commonly tinned), largely used for fastening clothes, attaching papers, etc. [1913 Webster]

3.  Hence, a thing of small value; a trifle. [1913 Webster]
"He . . . did not care a pin for her." [1913 Webster]

4.  That which resembles a pin in its form or use [1913 Webster]

5.  One of a row of pegs in the side of an ancient drinking cup to mark how much each man should drink. [1913 Webster]

6.  The bull's eye, or center, of a target; hence, the center. Shak. [1913 Webster]

7.  Mood; humor. Cowper. [1913 Webster]

8.  Caligo. See Caligo. Shak. [1913 Webster]

9.  An ornament, as a brooch or badge, fastened to the clothing by a pin; as, a Masonic pin. [1913 Webster]

10.  The leg; as, to knock one off his pins. [1913 Webster]

   To fasten with, or as with, a pin; to join; as, to pin a garment; to pin boards together. Shak. [1913 Webster]

pin, n. personal identification number (as issued by a bank etc. to validate electronic transactions).

Etymology:
abbr.

pin, n. & v.
--n.
1 a a small thin pointed piece of esp. steel wire with a round or flattened head used (esp. in sewing) for holding things in place, attaching one thing to another, etc. b any of several types of pin (drawing-pin; safety pin; hairpin). c a small brooch (diamond pin). d a badge fastened with a pin.
2 a peg of wood or metal for various purposes, e.g. a wooden skittle in bowling.
3 something of small value (don't care a pin; for two pins I'd resign).
4 (in pl.) colloq. legs (quick on his pins).
5 Med. a steel rod used to join the ends of fractured bones while they heal.
6 Chess a position in which a piece is pinned to another.
7 Golf a stick with a flag placed in a hole to mark its position.
8 Mus. a peg round which one string of a musical instrument is fastened.
9 a half-firkin cask for beer.
--v.tr. (pinned, pinning)
1 a (often foll. by to, up, together) fasten with a pin or pins (pinned up the hem; pinned the papers together). b transfix with a pin, lance, etc.
2 (usu. foll. by on) fix (blame, responsibility, etc.) on a person etc. (pinned the blame on his friend).
3 (often foll. by against, on, etc.) seize and hold fast.
4 Chess prevent (an opposing piece) from moving except by exposing a more valuable piece to capture.

Idiom:
on pins and needles in an agitated state of suspense. pin down 1 (often foll. by to) bind (a person etc.) to a promise, arrangement, etc.
2 force (a person) to declare his or her intentions.
3 restrict the actions or movement of (an enemy etc.).
4 specify (a thing) precisely (could not pin down his unease to a particular cause).
5 hold (a person etc.) down by force. pin one's faith (or hopes etc.) on rely implicitly on. pin-feather Zool. an ungrown feather. pin-high Golf (of a ball) at the same distance ahead as the pin.
pin-money
1 hist. an allowance to a woman for dress etc. from her husband.
2 a very small sum of money, esp. for spending on inessentials (only works for pin-money). pins and needles a tingling sensation in a limb recovering from numbness. pin-table a table used in playing pinball. pin-tuck a very narrow ornamental tuck.
pin-up
1 a photograph of a popular or sexually attractive person, designed to be hung on the wall.
2 a person shown in such a photograph. pin-wheel a small Catherine wheel. split pin a metal cotter pin passed through a hole and held in place by its gaping split end.

Etymology:
OE pinn f. L pinna point etc., assoc. with penna PEN(1)

N  unimportance, insignificance, nothingness, immateriality, triviality, levity, frivolity, paltriness, poverty, smallness, vanity, matter of indifference, no object, nothing, nothing to signify, nothing worth speaking of, nothing particular, nothing to boast of, nothing to speak of, small matter, no great matter, trifling matter, mere joke, mere nothing, hardly anything, scarcely anything, nonentity, small beer, cipher, no great shakes, peu de chose, child's play, kinderspiel, toy, plaything, popgun, paper pellet, gimcrack, gewgaw, bauble, trinket, bagatelle, Rickshaw, knickknack, whim-wham, trifle, trifles light as air, yankee notions, trumpery, trash, rubbish, stuff, fatras, frippery, leather or prunello, chaff, drug, froth bubble smoke, cobweb, weed, refuse, scum, joke, jest, snap of the fingers, fudge, fiddlestick, fiddlestick end, pack of nonsense, mere farce, straw, pin, fig, button, rush, bulrush, feather, halfpenny, farthing, brass farthing, doit, peppercorn, jot, rap, pinch of snuff, old son, cent, mill, picayune, pistareen, red cent, minutiae, details, minor details, small fry, dust in the balance, feather in the scale, drop in the ocean, flea-bite, molehill, nine days' wonder, ridiculus mus, flash in the pan, much ado about nothing, unimportant, of little account, of small account, of no account, of little importance, of no importance, immaterial, unessential, nonessential, indifferent, subordinate, mediocre, passable, fair, respectable, tolerable, commonplace, uneventful, mere, common, ordinary, inconsiderable, so-so, insignificant, inappreciable, trifling, trivial, slight, slender, light, flimsy, frothy, idle, puerile, airy, shallow, weak, powerless, frivolous, petty, niggling, piddling, peddling, fribble, inane, ridiculous, farcical, finical, finikin, fiddle-faddle, fingle-fangle, namby-pamby, wishy-washy, milk and water, poor, paltry, pitiful, contemptible, sorry, mean, meager, shabby, miserable, wretched, vile, scrubby, scrannel, weedy, niggardly, scurvy, putid, beggarly, worthless, twopennyhalfpenny, cheap, trashy, catchpenny, gimcrack, trumpery, one- horse, not worth the pains, not worth while, not worth mentioning, not worth speaking of, not worth a thought, not worth a curse, not worth a straw, beneath notice, unworthy of notice, beneath regard, unworthy of regard, beneath consideration, unworthy of consideration, de lana caprina, vain, slightly, rather, somewhat, pretty well, tolerably, for aught one cares, Int, no matter!, pish!, tush!, tut!, pshaw!, pugh!, pooh, pooh-pooh!, fudge!, bosh!, humbug!, fiddlestick, fiddlestick end!, fiddlededee!, never mind!, n'importe!, what signifies it, what boots it, what of it, what of that, what matter, what's the odds, a fig for', stuff!, nonsense!, stuff and nonsense, magno conatu magnas nugas, le jeu ne vaut pas la chandelle, it matters not, it does not signify, it is of no consequence, it is of no importance, elephantus non capit murem, tempete dans un verre d'eau.

VB  join, unite, conjoin, connect, associate, put together, lay together, clap together, hang together, lump together, hold together, piece together, tack together, fix together, bind up together together, embody, reembody, roll into one, attach, fix, affix, saddle on, fasten, bind, secure, clinch, twist, make fast, tie, pinion, string, strap, sew, lace, tat, stitch, tack, knit, button, buckle, hitch, lash, truss, bandage, braid, splice, swathe, gird, tether, moor, picket, harness, chain, fetter, lock, latch, belay, brace, hook, grapple, leash, couple, accouple, link, yoke, bracket, marry, bridge over, span, braze, pin, nail, bolt, hasp, clasp, clamp, crimp, screw, rivet, impact, solder, set, weld together, fuse together, wedge, rabbet, mortise, miter, jam, dovetail, enchase, graft, ingraft, inosculate, entwine, intwine, interlink, interlace, intertwine, intertwist, interweave, entangle, twine round, belay, tighten, trice up, screw up, be joined, hang together, hold together, cohere.

N  connection, vinculum, link, connective, connection, junction, bond of union, copula, hyphen, intermedium, bracket, bridge, stepping-stone, isthmus, bond, tendon, tendril, fiber, cord, cordage, riband, ribbon, rope, guy, cable, line, halser, hawser, painter, moorings, wire, chain, string, fastener, fastening, tie, ligament, ligature, strap, tackle, rigging, standing rigging, running rigging, traces, harness, yoke, band ribband, bandage, brace, roller, fillet, inkle, with, withe, withy, thong, braid, girder, tiebeam, girth, girdle, cestus, garter, halter, noose, lasso, surcingle, knot, running knot, cabestro, cinch, lariat, legadero, oxreim, suspenders, pin, corking pin, nail, brad, tack, skewer, staple, corrugated fastener, clamp, U-clamp, C-clamp, cramp, cramp iron, ratchet, detent, larigo, pawl, terret, treenail, screw, button, buckle, clasp, hasp, hinge, hank, catch, latch, bolt, latchet, tag, tooth, hook, hook and eye, lock, holdfast, padlock, rivet, anchor, grappling iron, trennel, stake, post, cement, glue, gum, paste, size, wafer, solder, lute, putty, birdlime, mortar, stucco, plaster, grout, viscum, shackle, rein, prop.

VB  place, situate, locate, localize, make a place for, put, lay, set, seat, station, lodge, quarter, post, install, house, stow, establish, fix, pin, root, graft, plant, shelve, pitch, camp, lay down, deposit, reposit, cradle, moor, tether, picket, pack, tuck in, embed, imbed, vest, invest in, billet on, quarter upon, saddle with, load, lade, freight, pocket, put up, bag, inhabit, domesticate, colonize, take root, strike root, anchor, cast anchor, come to an anchor, sit down, settle down, settle, take up one's abode, take up one's quarters, plant oneself, establish oneself, locate oneself, squat, perch, hive, se nicher, bivouac, burrow, get a footing, encamp, pitch one's tent, put up at, put up one's horses at, keep house, endenizen, naturalize, adopt, put back, replace.

N  jewel, jewelry, jewellery, bijoutry, bijou, bijouterie, trinket, fine jewelry, costume jewelry, junk jewelry, gem, gemstone, precious stone, necklace, bracelet, anklet, earring, locket, pendant, charm bracelet, ring, pinky ring, carcanet, chain, chatelaine, broach, pin, lapel pin, torque, diamond, brilliant, rock, beryl, emerald, chalcedony, agate, heliotrope, girasol, girasole, onyx, plasma, sard, sardonyx, garnet, lapis lazuli, opal, peridot, tourmaline, chrysolite, sapphire, ruby, synthetic ruby, spinel, spinelle, balais, oriental, oriental topaz, turquois, turquoise, zircon, cubic zirconia, jacinth, hyacinth, carbuncle, amethyst, alexandrite, cat's eye, bloodstone, hematite, jasper, moonstone, sunstone, pearl, cultured pearl, fresh-water pearl, mother of pearl, coral, jeweler, gemologist, minerologist, lapidary, lapidarian, gemology, gemmology, minerology, bejeweled, diamond, (gemstones), gemological.

N  sharpness, acuity, acumination, spinosity, point, spike, spine, spicule, spiculum, needle, hypodermic needle, tack, nail, pin, prick, prickle, spur, rowel, barb, spit, cusp, horn, antler, snag, tag thorn, bristle, Adam's needle, bear grass, tine, yucca, nib, tooth, tusk, spoke, cog, ratchet, crag, crest, arete, cone peak, sugar loaf, pike, aiguille, spire, pyramid, steeple, beard, chevaux de frise, porcupine, hedgehog, brier, bramble, thistle, comb, awn, beggar's lice, bur, burr, catchweed, cleavers, clivers, goose, grass, hairif, hariff, flax comb, hackle, hatchel, heckle, wedge, knife edge, cutting edge, blade, edge tool, cutlery, knife, penknife, whittle, razor, razor blade, safety razor, straight razor, electric razor, scalpel, bistoury, lancet, plowshare, coulter, colter, hatchet, ax, pickax, mattock, pick, adze, gill, billhook, cleaver, cutter, scythe, sickle, scissors, shears, pruning shears, cutters, wire cutters, nail clipper, paper cutter, sword, bodkin, belduque, bowie knife, paring knife, bushwhacker, drawing knife, drawing shave, microtome, chisel, screwdriver blade, flint blade, guillotine, sharpener, hone, strop, grindstone, whetstone, novaculite, steel, emery, sharp, keen, acute, acicular, aciform, aculeated, acuminated, pointed, tapering, conical, pyramidal, mucronate, mucronated, spindle shaped, needle shaped, spiked, spiky, ensiform, peaked, salient, cusped, cuspidate, cuspidated, cornute, cornuted, cornicultate, prickly, spiny, spinous, spicular, thorny, bristling, muricated, pectinated, studded, thistly, briary, craggy, snaggy, digitated, two-edged, fusiform, dentiform, denticulated, toothed, odontoid, starlike, stellated, stelliform, sagittate, sagittiform, arrowheaded, arrowy, barbed, spurred, acinaciform, apiculate, apiculated, aristate, awned, awny, bearded, calamiform, cone-shaped, coniform, crestate, echinate, gladiate, lanceolate, lanciform, awl, awl-shaped, lance-shaped, awl- shaped, scimitar-shaped, sword-shaped, setarious, spinuliferous, subulate, tetrahedral, xiphoid, cutting, sharp edged, knife edged, sharp as a razor, keen as a razor, sharp as a needle, sharp as a tack, sharpened, set.

N  rotation, revolution, spinning, gyration, turning about an axis, turning aound an axis, circulation, roll, circumrotation, circumvolution, circumgyration, volutation, circination, turbination, pirouette, convolution, verticity, whir, whirl, eddy, vortex, whirlpool, gurge, countercurrent, Maelstrom, Charybdis, Ixion, cyclone, tornado, whirlwind, dust devil, spin-out, axis, axis of rotation, swivel, pivot, pivot point, axle, spindle, pin, hinge, pole, arbor, bobbin, mandrel, axle shaft, gymbal, hub, hub of rotation, helix, helical motion, angular momentum, angular velocity, revolutions per minute, RPM, centrifugal force, surge, vertigo, dizzy round, coriolus force, carousel, merry-go-round, Ferris wheel, top, dreidel, teetotum, gyroscope, turntable, lazy suzan, screw, whirligig, rollingstone, water wheel, windmill, wheel, pulley wheel, roulette wheel, potter's wheel, pinwheel, gear, roller, flywheel, jack, caster, centrifuge, ultracentrifuge, bench centrifuge, refrigerated centrifuge, gas centrifuge, microfuge, drill, augur, oil rig, wagon wheel, wheel, tire, tyre, trochilics, whirling dervish, rotating, rotary, rotary, circumrotatory, trochilic, vertiginous, gyratory, vortical, vorticose, head over heels, round and round, like a horse in a mill.

belaying pin, bitt pin, bobby pin, bowling pin, breech pin, clothes pin, corking pin, cotter pin, dowel pin, drawing pin, firing pin, gudgeon pin, northern pin oak, pin bone, pin cherry, pin clover, pin curl, pin down, pin grass, pin money, pin number, pin oak, pin on, pin table, pin up, pin wrench, rolling pin, safety pin, scatter pin, skittle pin, straight pin, swivel pin, wrist pin