A tractor-trailer or big rig, consisting of a semi-trailer and a semitruck pulling it; in American English referred to as semi-trailer truck or 18-wheeler.
A truck (or lorry) for pulling a semi-trailer or trailer.
A vehicle used in farms e.g. for pulling farm equipment and preparing the fields.
An aeroplane where the propeller is located in front of the fuselage.
A British Rail Class 37 locomotive.
A movable coop without a floor to allow for free ranging.
Any piece of machinery that pulls something.
To move with a tractor beam.
To prepare (land) with a tractor.