rolling stock(n = noun.artifact) - collection of wheeled vehicles owned by a railroad or motor carrier;
is a kind of wheeled vehicle

N  vehicle, conveyance, carriage, caravan, van, common carrier, wagon, waggon, wain, dray, cart, lorry, truck, tram, cariole, carriole, limber, tumbrel, pontoon, barrow, wheel barrow, hand barrow, perambulator, Bath chair, wheel chair, sedan chair, chaise, palankeen, palanquin, litter, brancard, crate, hurdle, stretcher, ambulance, black Maria, conestoga wagon, conestoga wain, jinrikisha, ricksha, brett, dearborn, dump cart, hack, hackery, jigger, kittereen, mailstate, manomotor, rig, rockaway, prairie schooner, shay, sloven, team, tonga, wheel, hobbyhorse, go-cart, cycle, bicycle, bike, two-wheeler, tricycle, velocipede, quadricycle, equipage, turn-out, coach, chariot, phaeton, break, mail phaeton, wagonette, drag, curricle, tilbury, whisky, landau, barouche, victoria, brougham, clarence, calash, caleche, britzka, araba, kibitka, berlin, sulky, desobligeant, sociable, vis-a-vis, dormeuse, jaunting car, outside car, dandi, doolie, dooly, munchil, palki, roller skates, skate, runabout, ski, tonjon, vettura, post chaise, diligence, stage, stage coach, mail coach, hackney coach, glass coach, stage wagon, car, omnibus, fly, cabriolet, cab, hansom, shofle, four-wheeler, growler, droshki, drosky, dogcart, trap, whitechapel, buggy, four-in-hand, unicorn, random, tandem, shandredhan, char-a-bancs, motor car, automobile, limousine, car, auto, jalopy, clunker, lemon, flivver, coupe, sedan, two-door sedan, four-door sedan, luxury sedan, wheels, sports car, roadster, gran turismo, jeep, four-wheel drive vehicle, electric car, steamer, golf cart, electric wagon, taxicab, cab, taxicoach, checker cab, yellow cab, station wagon, family car, motorcycle, motor bike, side car, van, minivan, bus, minibus, microbus, truck, wagon, pick-up wagon, pick-up, tractor- trailer, road train, articulated vehicle, racing car, racer, hot rod, stock car, souped-up car, bob, bobsled, bobsleigh, cutter, double ripper, double runner, jumper, sled, sledge, sleigh, toboggan, train, accommodation train, passenger train, express trail, special train, corridor train, parliamentary train, luggage train, freight train, goods train, 1st class train, 2nd class train, 3rd class train, 1st class carriage, 2nd class carriage, 3rd class carriage, 1st class compartment, 2nd class compartment, 3rd class compartment, rolling stock, horse box, cattle truck, baggage car, express car, freight car, parlor car, dining car, Pullman car, sleeping car, sleeper, dome car, surface car, tram car, trolley car, box car, box wagon, horse car, bullet train, shinkansen, cannonball, the Wabash cannonball, lightning express, luggage van, mail, mail car, mail van, shovel, spool, spatula, ladle, hod, hoe, spade, spaddle, loy, spud, pitchfork, post hole digger, tractor, steamshovel, backhoe, fork lift, earth mover, dump truck, bulldozer, grader, caterpillar, trench digger, steamroller, pile driver, crane, wrecking crane.

american stock exchange, authorized stock, beef stock, blue-chip stock, brompton stock, capital stock, chicken stock, classified stock, common stock, common stock equivalent, control stock, cumulative preferred stock, employee stock ownership plan, get rolling, giant stock bean, growth stock, hot stock, in stock, incentive stock option, letter stock, mahon stock, malcolm stock, n. y. stock exchange, new york stock exchange, no-par stock, no-par-value stock, otc stock, out of stock, over the counter stock, penny stock, preferred stock, quarter stock, reacquired stock, reverse stock split, rolling, rolling hitch, rolling mill, rolling paper, rolling pin, rolling stone, rolling wave, seed stock, stock, stock breeder, stock buyback, stock car, stock certificate, stock company, stock cube, stock dividend, stock exchange, stock farmer, stock index, stock issue, stock list, stock market, stock market index, stock of record, stock option, stock power, stock purchase plan, stock raiser, stock room, stock saddle, stock split, stock still, stock symbol, stock ticker, stock trader, stock warrant, summer stock, take stock, treasury stock, trustee stock, unlisted stock, virginia stock, virginian stock, voting stock, watered stock