Meaning of “trailer” in the English Dictionary

"trailer" in British English

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trailernoun [ C ]

uk /ˈtreɪ.lər/ us /ˈtreɪ.lɚ/

trailer noun [ C ] (VEHICLE)

a box on wheels that is pulled by a car and is used for taking things from one place to another:

The car was pulling a trailer with a motorcycle on it.

the separate back part of a large truck

US also travel trailer, UK caravan a wheeled vehicle for living or travelling in, especially for holidays, that contains beds and cooking equipment and can be pulled by a car

(Definition of “trailer” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"trailer" in American English

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trailernoun [ C ]

us /ˈtreɪ·lər/

trailer noun [ C ] (VEHICLE)

a vehicle without an engine, often in the form of a flat frame or a container, that can be pulled by another vehicle

A trailer is also a house on wheels that can be moved by pulling it:

We bought a trailer for camping trips.

A trailer is also a mobile home

trailer noun [ C ] (ADVERTISEMENT)

an advertisement for a movie, often showing a few, brief parts of it

(Definition of “trailer” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"trailer" in Business English

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trailernoun [ C ]

uk /ˈtreɪlər/ us

MARKETING an advertisement for a film, or television or radio programme, consisting of short parts taken from it:

You can watch a trailer for the new series online.
Hollywood has been circulating movie trailers on the Web for years.

TRANSPORT the separate back part of a large truck used for carrying goods:

It isn't cost-effectitve to have trucks carrying half-empty trailers for part of their journey.

TRANSPORT a box on wheels that is pulled by a car and is used for taking things from one place to another

(Definition of “trailer” from the Cambridge Business English Dictionary © Cambridge University Press)