alternative form of tractor-trailer

plural of trailer car

(rail transport) An unpowered car / coach / carriage included in the formation of a diesel multiple unit or an electric multiple unit.

(US) A prefabricated home built in a factory, rather than on site, and then taken to the place where it will be occupied.

(US, idiomatic, derogatory) Poorly-educated (usually white) person or people of low social status who stereotypically reside(s) in a trailer park.

(US, Canada) a wheeled transport for horses

A hitch used to draw a trailer with a car or a traction engine.

A sailboat designed to be carried on a towed trailer.

(US, Canada) An area containing mobile homes for rent or places to station them if owned; normally providing utilities and services

(rugby) The situation where the ball carrier leaves a maul and is followed by teammates.