semi Meaning, Definition & Usage

  1. noun one of the two competitions in the next to the last round of an elimination tournament
    semifinal.
  2. noun a truck consisting of a tractor and trailer together
    trailer truck; tractor trailer; trucking rig; articulated lorry; rig.
  3. noun a trailer having wheels only in the rear; the front is supported by the towing vehicle
    semitrailer.

WordNet