Definify.com

Definition 2024

18-wheeler

18-wheeler

English

Alternative forms

Noun

18-wheeler ‎(plural 18-wheelers)

  1. A big rig truck: a semi-trailer plus the truck or tractor pulling it.

Synonyms

See also

Synonyms

Etymology

From the total number of wheels: two front steering wheels on the tractor, plus dual wheels on each end of two axles (total of 8) at the rear of the tractor and supporting the front of the trailer, plus dual wheels on two axles at the rear of the trailer.

Similar Results