1. farm vehicle: a motor vehicle used for pulling heavy loads, especially on farms, where its large rear wheels enable it to move in fields
2. front part of a heavy truck: a large vehicle, the front section of a truck used to haul heavy loads, with a driving cab, engine, and coupling for trailers
3. aircraft with propeller in front: an aircraft that has its propeller in front of the engine so that it exerts a pull through the air instead of a pushing force
4. propeller: a propeller at the front of an aircraft engine
[Late 18th century. < Latin tract- (see traction)]
Word History
The Latin word trahere "to pull, draw," from which tractor is derived, is also the source of English abstract, attract, contract, detract, distract, extract, retract, retreat, subtract, train, treat, treatise, and treaty.
