From Longman Dictionary of Contemporary EnglishRelated topics: Bicycles, carts, horses, Television & radio, Filmtrailertrail‧er /ˈtreɪlə $ -ər/●くろまる●くろまる○しろまるS3 noun [countable]1
Image of trailer
TTBa vehicle that can be pulledbehind another vehicle, used for carrying something heavy► see thesaurus at advertisement2American EnglishTTR a vehicle that can be pulled behind a car, used for living and sleeping in during a holidaySYN caravan British English3AMTAMFan advertisement for a new film or television show► see thesaurus at movieExamples from the Corpustrailer• Instead of ploughing into it, however, it struck a tractor and trailer coming from the left.• Time was the people in trailerparks had no doubt that they had a friend in the OvalOffice.• The dig was now over, trailersloaded with wreckage headed for home, the diggers contented.• TwinLakesFishCamp provides trailer hookups, tent camping sites, and several little cottages.• Nor did he point out that before carrying the sugarbeet, the trailer had borne a much more fruitycargo.• Peter Jacobsen probably likes to sit in the frontrow at movies and be there in time for the trailers.• Go and poison the air in the trailer if you have to.• The movie does have one cinematicinnovation: There is a joke in the trailer that is not in the film.From Longman Business Dictionarytrailertrail‧er /ˈtreɪlə-ər/ noun [countable]1MANUFACTURINGan advertisement for a new film, television show etc showing small scenes from itThe trailer was put through rigorous consumer testing.2TRANSPORTa vehicle that can be pulled behind another vehicle, used for carrying materials or goods