TRACTOR
tractor
(noun) a wheeled vehicle with large wheels; used in farming and other applications
tractor
(noun) a truck that has a cab but no body; used for pulling large trailers or vans
Source: WordNet® 3.1
Etymology
Noun
tractor (plural tractors)
(agriculture) A vehicle used in farms e.g. for pulling farm equipment and preparing the fields.
(US) A truck (or lorry) for pulling a semi-trailer or trailer.
Any piece of machinery that pulls something.
(aviation) An airplane where the propeller is located in front of the fuselage
(UK, rail transportation) A British Rail Class 37 locomotive.
(archaic) A metal rod used in tractoration, or Perkinism.
Verb
tractor (third-person singular simple present tractors, present participle tractoring, simple past and past participle tractored)
(transitive, agriculture) To prepare (land) with a tractor.
(transitive, scifi) To move with a tractor beam.
(transitive, medicine, archaic) To treat by means of tractoration, or Perkinism.
Source: Wiktionary
Tract"or, n. Etym: [NL., from L. trahere, tractum, to draw.]
1. That which draws, or is used for drawing.
2. pl. (Med.)
Definition: Two small, pointed rods of metal, formerly used in the
treatment called Perkinism.
Source: Webster’s Unabridged Dictionary 1913 Edition