Noun | 1. | semi - one of the two competitions in the next to the last round of an elimination tournament elimination tournament - a tournament in which losers are eliminated in successive rounds match - a formal contest in which two or more persons or teams compete |
2. | ![]() semitrailer, semi - a trailer having wheels only in the rear; the front is supported by the towing vehicle tandem trailer - trucking rig with two trailers in tandem trailer - a large transport conveyance designed to be pulled by a truck or tractor motortruck, truck - an automotive vehicle suitable for hauling | |
3. | semi - a trailer having wheels only in the rear; the front is supported by the towing vehicle trailer - a large transport conveyance designed to be pulled by a truck or tractor articulated lorry, tractor trailer, trailer truck, trucking rig, rig, semi - a truck consisting of a tractor and trailer together |