1.  A staff or truncheon, used for various purposes; as, the baton of a field marshal; the baton of a conductor in musical performances. [1913 Webster]
"He held the baton of command." [1913 Webster]

2.  An ordinary with its ends cut off, borne sinister as a mark of bastardy, and containing one fourth in breadth of the bend sinister; -- called also bastard bar. See Bend sinister. [1913 Webster]

baton, n.
1 a thin stick used by a conductor to direct an orchestra, choir, etc.
2 Athletics a short stick or tube carried and passed on by the runners in a relay race.
3 a long stick carried and twirled by a drum major.
4 a staff of office or authority, esp. a Field Marshal's.
5 a policeman's truncheon.
6 Heraldry a narrow truncated bend.
7 Horol. a short bar replacing some figures on dials.

Idiom:
baton round a rubber or plastic bullet.

Etymology:
F b{acirc}ton, baston ult. f. LL bastum stick

N  scepter, regalia, caduceus, Mercury's rod, Mercury's staff, Mercury's wand, rod of empire, mace, fasces, wand, staff, staff of office, baton, truncheon, flag, ensign of authority, emblem of authority, badge of authority, insignia of authority, throne, chair, musnud, divan, dais, woolsack, toga, pall, mantle, robes of state, ermine, purple, crown, coronet, diadem, tiara, cap of maintenance, decoration, title, portfolio, key, signet, seals, talisman, helm, reins.

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.

baton rouge, baton rouge bridge, baton twirler, stun baton