tractor-trailer

US /ˈtræk.tərˌtreɪ.lər/
UK /ˈtræk.tərˌtreɪ.lər/
"tractor-trailer" picture
1.

a truck that consists of a tractor and a trailer, used for hauling freight

:
The tractor-trailer was loaded with goods for delivery.
A large tractor-trailer blocked the highway.