Tractor

Tractor
Tractor Tract"or, n. [NL., from L. trahere, tractum, to draw.] 1. That which draws, or is used for drawing. [1913 Webster]

2. pl. (Med.) Two small, pointed rods of metal, formerly used in the treatment called Perkinism. [1913 Webster]

3. a motor vehicle with a powerful engine and large wheels, used to pull farm equipment such as plows, harvesting machinery, etc., over farm land. Smaller forms of farm tractor are completely open, with only a seat for the driver. [PJC]

4. a motor vehicle with a driver's cab and a powerful engine, fitted with a coupling at the rear, and designed to pull a large trailer or semi-trailer on the open highway; -- called also {truck tractor}. The combination of such a tractor with its trailer is called a tractor-trailer, and is a common form of truck used for commercial shipping of freight. [PJC]

5. (Aviation) A propeller screw placed in front of the supporting planes of an a["e]roplane instead of behind them, so that it exerts a pull instead of a push; -- called also {Tractor screw} and {Tractor propeller}. [Webster 1913 Suppl.]

6. (Aviation) An airplane having one or more tractor propellers; -- called also {tractor airplane}. [Webster 1913 Suppl.]


The Collaborative International Dictionary of English. 2000.

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  • tractor — (n.) 1856, something that pulls, earlier used of a quack device consisting of two metal rods which were supposed to relieve rheumatism (1798, in full Perkins s metallic tractor), from M.L. tractor, from stem of L. trahere to pull, draw (see TRACT …   Etymology dictionary

  • tractor — airplane Trac tor air plane, n. (Aviation) An airplane having one or more tractor propellers; called also {tractor}. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

  • tractor — |àtô| s. m. 1. Máquina ou mecanismo que produz tração. 2. Veículo automóvel pesado que possui um motor potente cujas rodas aderem fortemente ao terreno e serve para arrastar charruas, reboques, etc.   ♦ [Portugal] Grafia de trator antes do Acordo …   Dicionário da Língua Portuguesa

  • tractor — (Der. del lat. tractus, de trahĕre, arrastrar). 1. m. Máquina que produce tracción. 2. Vehículo automotor cuyas ruedas o cadenas se adhieren fuertemente al terreno, y se emplea para arrastrar arados, remolques, etc., o para tirar de ellos …   Diccionario de la lengua española

  • tractor — ► NOUN ▪ a powerful motor vehicle with large rear wheels, used chiefly on farms for hauling equipment and trailers. ORIGIN Latin, from trahere to pull …   English terms dictionary

  • tractor — ☆ tractor [trak′tər ] n. [ModL < L tractus: see TRACTION] 1. a powerful vehicle with a gasoline or diesel engine and large rear wheels or endless belt treads, used for pulling farm machinery, hauling loads, etc. 2. a large, powerful truck with …   English World dictionary

  • Tractor — This article is about a vehicle used in agriculture or construction. For the power unit of a semi trailer truck (articulated lorry), see tractor unit. For other uses, see Tractor (disambiguation) …   Wikipedia

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