trestles, railings, handrails, conveyors, ramps, trains, catenary, travelator, footboard, railway, railroad, carriages, cowcatcher, crosspieces, woodcock snipe, locomotive, sidings, chocks, banister, trolley, palings, coupler, bannisters, stanchions, bents, guideway, crossbeams, chutes, fishplates, tramway, wagon, bridle, viaducts, waggon, falsework, sheave, wheels, sulkies, floorless, roadbed, hayrack, tram, cabooses, gallinules, rockface, piton, planks, packhorse, mudguard, boxcar, girders, shunter, treadles, crossties, tailboard, cogwheel, flatcar, saddle, bollard, chairlift, trestle bridge, roller, jibs, sawhorses, stirrup, trolly, handcar, luggage rack, stair, understructure, handlebars, bogie, stairways, coaster brake, conveyer, deadman, towrope, slat, sora, hobbyhorse, footrests, footplate, gondola, monorail, jambs, highline, underbridge, axles, hawser, battens, bedspring, straps, velocipede, pedestals, skeg, streetcar, capstan, stiles, pylons, snowshed, tenons, yokes, rail, bars, bolts, braces, crossbar, joists, slats, stretchers, uprights, rungs, bar, batten, spokes, brace, handrail, joist, seam

third rail

., automotive vehicle, car, closet, crake, crosstie, derail, elevated, family rallidae, fishplate, fish joint, gallinule, gallirallus, gantlet, gauge, genus gallirallus, gruiformes, ironwork, jump, marsh hen, motor vehicle, order gruiformes, press, rail, railcar, railing, railroad car, railroad tie, railway car, rail in, rallidae, sleeper, snake-rail fence, snake fence, streetcar, swamphen, switch, tie, track, tram, tramcar, trolley, trolley car, virginia fence, wardrobe, water hen, worm fence

railroad track, streetcar track, tramline