Meaning ofsemitrailerin English

Noun

1. a vehicle trailer without a front axle; designed for towing
   The truck driver carefully connected the semitrailer to the tractor.
2. a trailer with wheels at the rear; for heavy loads
   A semitrailer is often used to transport large machinery and equipment.
3. a large truck with a trailer; includes the tractor unit
   The company invested in a new semitrailer to expand its transportation capacity.