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1. A nonmotorized vehicle designed to be pulled behind a motor vehicle, especially:
a. A large transport vehicle designed to be hauled by a truck or tractor.
b. A furnished vehicle drawn by a truck or automobile and used when parked as a dwelling or office.
a. A short filmed advertisement for a movie; a preview.
b. A short, blank strip of film at the end of a reel.
v. trail·ered, trail·er·ing, trail·ers
To transport by a trailer: trailered the boat to the beach.
To travel or live in a trailer.
the advertising of a film or television programme by means of trailers