1.Definition: a trailer having wheels only in the rear; the front is supported by the towing vehicle

Related Noun(s):semitrailer

Category: Objects

2.Definition: a truck consisting of a tractor and trailer together

Related Noun(s):rig

Category: Objects

3.Definition: one of the two competitions in the next to the last round of an elimination tournament

Related Noun(s):semifinal

Category: General