Noun
semi-tractor (plural semi-tractors)
The tractor component of a semi-trailer truck or articulated lorry.
Corinne Johns of Porter and Alexis Schroeder of Valparaiso die when Schroeder fails to yield for a semi-tractor trailer at an intersection on M-66 in Branch County, Mich. Source: Internet
The deceased was the driver of a pickup truck that was travelling northbound when it collided with a southbound RV and a semi-tractor, say police. Source: Internet
They used semi-tractor trailers and cars equipped with trap doors and hidden compartments to transport the controlled substance as well as cash. Source: Internet
Though troopers said Reipke attempted to slow, the semi-tractor struck the spinning Cadillac, sending it off the road and into the ditch. Source: Internet