Tractor propeller

Tractor propeller
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 propeller — Tractor screw Tractor screw or Tractor propeller Tractor propeller (Aviation) A propeller screw placed in front of the supporting planes of an airplane instead of behind them, so that it exerts a pull instead of a push. Hence, {Tractor monoplane} …   The Collaborative International Dictionary of English

  • tractor propeller — noun : a propeller of an airplane that is placed at the forward end of its shaft and pulls on the thrust bearing instead of pushing compare pusher * * * tractor propeller, = tractor (def. 3b). (Cf. ↑tractor) …   Useful english dictionary

  • tractor propeller — An airscrew or propeller located in front of the engine, which pulls the airplane. It is unlike the “pusher propeller,” which is located in the rear of the wing and pushes the airplane. The tractor propeller “pulls” the airplane through the air,… …   Aviation dictionary

  • Tractor biplane — Tractor screw Tractor screw or Tractor propeller Tractor propeller (Aviation) A propeller screw placed in front of the supporting planes of an airplane instead of behind them, so that it exerts a pull instead of a push. Hence, {Tractor monoplane} …   The Collaborative International Dictionary of English

  • Tractor monoplane — Tractor screw Tractor screw or Tractor propeller Tractor propeller (Aviation) A propeller screw placed in front of the supporting planes of an airplane instead of behind them, so that it exerts a pull instead of a push. Hence, {Tractor monoplane} …   The Collaborative International Dictionary of English

  • Tractor screw — or Tractor propeller Tractor propeller (Aviation) A propeller screw placed in front of the supporting planes of an airplane instead of behind them, so that it exerts a pull instead of a push. Hence, {Tractor monoplane}, {Tractor biplane}, etc.… …   The Collaborative International Dictionary of English

  • 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… …   The Collaborative International Dictionary of English

  • tractor airplane — 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… …   The Collaborative International Dictionary of English

  • Tractor screw — 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… …   The Collaborative International Dictionary of English

  • tractor — /ˈtræktə / (say traktuh) noun 1. a motor vehicle, usually fitted with deeply treaded tyres, used to draw farm implements as the plough, seed drill, etc., and loads and also as a source of power for agricultural machinery, etc. 2. someone or… …  

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