American English

Definition of trailer noun from the Oxford Advanced American Dictionary



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  1. 1a truck, or a container with wheels, that is pulled by another vehicle a car towing a trailer with a boat on it see also tractor-trailer
  2. 2a vehicle without an engine, that can be pulled by a car or truck or used as a home or an office when it is parked a trailer park (= an area where trailers are parked and used as homes) compare camper, mobile home
  3. 3a series of short scenes from a movie or television program, shown in advance to advertise it synonym advertisement
See the Oxford Advanced Learner's Dictionary entry: trailer