eighteen-wheeler

English - English

Definition of eighteen-wheeler in English English dictionary

A tractor-trailer with eighteen wheels, normally with two steerable wheels on the first axle and four wheels on two fixed axles of the tractor and two fixed four-wheel axles on the rear of the trailer

(Otomotiv) A trucking rig consisting of a tractor and a trailer and typically having eighteen wheels

Synonyms

18-wheeler, big rig, rig, semi, semitrailer, trailer truck, truck trailer