Tractor

Definition of Tractor

Tract´or
n.1.That which draws, or is used for drawing.
2.(Med.) Two small, pointed rods of metal, formerly used in the treatment called Perkinism.
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.
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.
5.(Aviation) A propeller screw placed in front of the supporting planes of an aëroplane instead of behind them, so that it exerts a pull instead of a push; - called also Tractor screw and Tractor propeller.
6.(Aviation) An airplane having one or more tractor propellers; - called also tractor airplane.

Related Words

Cat, Caterpillar, DUKW, Rome plow, amphibian, bulldozer, calfdozer, crawler, creeper, double-prop, duck, go-devil, grader, halftrack, lawn-tractor, multi-prop, piston plane, propeller plane, propjet, pusher, pusher plane, scraper, single-prop, tank, tracklayer, traction engine, turbo-prop, turbo-propeller plane, twin-prop
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