tractor train

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• tractor train — tractor train, a train of vehicles pulled by a tractor …   Useful english dictionary

• Tractor unit — A tractor unit, traction unit, road tractor or prime mover (Australian English) is a heavy duty vehicle, usually with a large diesel engine and two or three axles. Many three axle prime movers have the engine drive through both rear axles for… …   Wikipedia

• tractor — Truck portion of combination or train. Also called semi, semi tractor, truck tractor, or tractor trailer. See semi tractor truck tractor …   Dictionary of automotive terms

• tractor — [17] Tractor is one of a large family of English words that come from tractus, the past participle of Latin trahere ‘pull’ (others include abstract [14], attract, contract, detract [15], distract [14], extract [15], retract, subtract, trace,… …   The Hutchinson dictionary of word origins

• tractor — [17] Tractor is one of a large family of English words that come from tractus, the past participle of Latin trahere ‘pull’ (others include abstract [14], attract, contract, detract [15], distract [14], extract [15], retract, subtract, trace,… …   Word origins

• Train whistle — A train whistle or air whistle, (originally referred to as a steam trumpet), is an audible signaling device on a steam locomotive used to warn that the train is approaching, and to communicate with rail workers.The older steam whistles were… …   Wikipedia

• tractor-trailer — Truck Truck, n. [L. trochus an iron hoop, Gr. ? a wheel, fr. ? to run. See {Trochee}, and cf. {Truckle}, v. i.] 1. A small wheel, as of a vehicle; specifically (Ord.), a small strong wheel, as of wood or iron, for a gun carriage. [1913 Webster] 2 …   The Collaborative International Dictionary of English

• train — I. noun Etymology: Middle English traine treachery, from Anglo French, from trahir to betray, from Latin tradere more at traitor Date: 14th century obsolete scheme, trick II. noun Etymology: Middle English, from Anglo French, from trainer to draw …   New Collegiate Dictionary

• train — [14] A train is etymologically something that is ‘pulled’ along. The word was borrowed from Old French train, a derivative of the verb trahiner ‘drag’. And this in turn went back to Vulgar Latin *tragināre, a derivative of Latin *tragere, a… …   The Hutchinson dictionary of word origins

• train — [14] A train is etymologically something that is ‘pulled’ along. The word was borrowed from Old French train, a derivative of the verb trahiner ‘drag’. And this in turn went back to Vulgar Latin *tragināre, a derivative of Latin *tragere, a… …   Word origins

• Road train — This article is about connected heavy goods vehicles. For lighter recreational road trains, see Trackless train. For electronic road trains, see Platoon (automobile). For the film, see Road Train (film). Volvo NH15 BP tanker road train A road… …   Wikipedia