noun.
That which draws or is used for drawing; specifically, in the plural, metallic tractors. See the phrase.
noun.
A traction-engine for use on streets and highways. Such tractors may be used to drag loaded vehicles, to drag plows in a gang, or to haul artillery-wagons and fieldpieces.
noun.
The frame and steel rope by which a gang of plows is drawn across a field by a tractionengine.