tractor trailer

English Thesaurus

1. a truck consisting of a tractor and trailer together (noun.artifact)

hypernym	:	motortruck, truck,
definition	:	an automotive vehicle suitable for hauling (noun.artifact)

hyponym	:	tandem trailer,
definition	:	trucking rig with two trailers in tandem (noun.artifact)

part holonym	:	semi, semitrailer,
definition	:	a trailer having wheels only in the rear; the front is supported by the towing vehicle (noun.artifact)

part holonym	:	trailer,
definition	:	a large transport conveyance designed to be pulled by a truck or tractor (noun.artifact)