• (British) IPA: /ˈtɹeɪlə(ɹ)/
  • (America) enPR: trāʹlər, IPA: /ˈtɹeɪlɚ/

trailer (plural trailers)

  1. Someone who or something that trails.
  2. Part of an object which extends some distance beyond the main body of the object.
    Synonyms: appendage, attachment, appendix, extension, extrusion
    the trailer of a plant
  3. An unpowered wheeled vehicle, not a caravan or camper, that is towed behind another, and used to carry equipment, etc, that cannot be carried in the leading vehicle.
    At the end of the day, we put the snowmobiles back on the trailer.
    • 1980 April, Greg Stone, Utility hauling? Do it with your boat trailer, Popular Science, [ page 104],
      My trailer is a Highlander T-14 8G, one of the smallest trailers. I normally use it for carrying a pair of Sunfish sailboats that are much lighter than its 800-pound weight limit.
    • 2004, Mike Byrnes & Associates, Bumper to Bumper: The Complete Guide to Tractor-Trailer Operations, [ page 310],
      Or you can slide the trailer′s tandem forward toward the tractor. This changes the kingpin weight because you changed the “A” dimension of the trailer along with its wheel-base.
    • 2009, Norman Edward Robinson, Kim A. Sprayberry, Current Therapy in Equine Medicine, [ page 122],
      There is also a strong preference to avoid the cave effect associated with the front of most horse trailers and a strong desire to face the large opening between the top of the rear doors and the roof of the trailer.
  4. (US) A furnished vehicle towed behind another, and used as a dwelling when stationary; a caravan; a camper.
    We drove our trailer to Yellowstone Park.
    Synonyms: camper, camper van, caravan, mobile home
  5. (US) A prefabricated home that could be towed to a new destination but is typically permanently left in an area designated for such homes.
    The young couple′s first home was in a trailer.
    Synonyms: mobile home
  6. (chiefly, US, media) A preview of a film, video game or TV show.
    The trailer for that movie makes it seem like it would be fun.
    Synonyms: preview, teaser
  7. A short blank segment of film at the end of a reel, for convenient insertion of the film in a projector.
  8. (computing) The final record of a list of data items, often identified by a key field with an otherwise invalid value that sorts last alphabetically (e.g., “ZZZZZ”) or numerically (“99999”); especially common in the context of punched cards, where the final card is called a trailer card.
    The linked list terminates with a trailer record.
    Synonyms: sentinel
  9. (networking) The last part of a packet, often containing a check sequence.
    The encapsulation layer adds an eight-byte header and a two-byte trailer to each packet.
    Antonyms: header
Translations Translations Translations Translations Translations Translations Verb

trailer (trailers, present participle trailering; past and past participle trailered)

  1. To load on a trailer or to transport by trailer.
    The engine wouldn't run any more so we had to trailer my old car to the wrecking yard.

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