| auto. |
articulated vehicle; tractor lorry; combination of vehicles; tractor-lorry; flexible sixwheeler; semitruck (a semi-trailer truck, also known as a semitruck, (or semi, eighteen-wheeler, or, by synecdoche, a semitrailer) is the combination of a tractor unit and one or more semi-trailers to carry freight. A semi-trailer attaches to the tractor with a type of hitch called a fifth wheel: A road tractor coupled to a semi-trailer is often called a semi-trailer truck or semitruck, or in the UK an articulated lorry Taras) |
