semitrailer

[ sem-i-trey-ler ]

noun

1. Also called semi. a detachable trailer for hauling freight, with wheels at the rear end, the forward end being supported by the rear of a truck tractor when attached. Compare full trailer.
2. tractor-trailer.

semitrailer

/ ˌsɛmɪˈtreɪlə /

noun

1. a type of trailer or articulated lorry that has wheels only at the rear, the front end being supported by the towing vehicle

Word History and Origins

Origin of semitrailer¹

First recorded in 1915–20; semi- + trailer

Example Sentences

Fifty-three migrants, including eight children, died after being trapped in a sweltering semitrailer that had been driven from the border city of Laredo.

From Seattle Times

In Texas, a tornado overturned semitrailer trucks and damaged motor homes as well as a marina in northern Denton County, said Dawn Cobb, a county spokeswoman.

From New York Times

Overturned semitrailer trucks were reported in Newton and Sedgwick counties, the office said.

From Seattle Times

After the truck stopped, a woman escaped from the passenger side of the semitrailer and Jayne drove away.

From Seattle Times

Who, if anyone, was riding on the back of the semitrailer was still being investigated, police said.

From Seattle Times