Tractor-trailer (noun)

A large commercial vehicle consisting of a tractor unit and a trailer unit, used for transporting goods.

Origin:

20th century: from tractor + trailer.

Examples:

1. The tractor-trailer was hauling a load of goods across the country.
2. The tractor-trailer was one of the largest vehicles on the road.
3. The tractor-trailer required a special commercial driver's license to operate.
4. The tractor-trailer was a common sight on highways and interstates.
5. The tractor-trailer was an essential part of the transportation industry and played a key role in delivering goods.