Tractor
noun
1.
a powerful motor-driven vehicle with large, heavy treads, used for pulling farm machinery, other vehicles, etc.
2.
Also called truck tractor. a short truck with a driver’s cab but no body, designed for hauling a trailer or semitrailer.
3.
something used for drawing or pulling.
4.
Aeronautics.
a propeller mounted at the front of an airplane, thus exerting a pull.
Also called tractor airplane. an airplane with a propeller so mounted.
noun
1.
a motor vehicle used to pull heavy loads, esp farm machinery such as a plough or harvester. It usually has two large rear wheels with deeply treaded tyres
2.
a short motor vehicle with a powerful engine and a driver’s cab, used to pull a trailer, as in an articulated lorry
3.
an aircraft with its propeller or propellers mounted in front of the engine
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noun 1. (computing) the automatic movement of a continuous roll of edge-perforated paper through the platen of the printer
- Tractor-feed
noun 1. Computers. a mechanism for aligning and transporting paper for a printer by means of pins that catch in perforations along the edges of the paper.
- Tractor-trailer
[trak-ter-trey-ler] /ˈtræk tərˈtreɪ lər/ noun 1. a combination trucking unit consisting of a tractor hooked up to a full trailer or a semitrailer. Also called semitrailer, semitruck. Compare rig (def 8).
- Tractotomy
tractotomy trac·tot·o·my (trāk-tŏt’ə-mē) n. Incision of a nerve tract in the brainstem or spinal cord, usually for the relief of pain.