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English definition of “trailer”

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trailer

noun [C]
 
 
/ˈtreɪlər/
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)
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