A trailer or preview is an advertisement or a commercial for a feature film that will be exhibited in the future at a cinema. The term "trailer" comes from their having originally been shown at the end of a feature film screening. That practice did not last long, because patrons tended to leave the theater after the films ended, but the name has stuck. Trailers are now shown before the film begins.

The above text is a snippet from Wikipedia: Trailer (promotion)
and as such is available under the Creative Commons Attribution/Share-Alike License.



  1. Someone who or something that trails.
  2. Part of an object which extends some distance beyond the main body of the object.
    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.
  4. A furnished vehicle towed behind another, and used as a dwelling when stationary; a caravan; a camper.
    We drove our trailer to Yellowstone Park.
  5. A prefabricated home that could be towed to a new destination, but typically is permanently left in an area designated for such homes.
    The young couple′s first home was in a trailer.
  6. A preview of a film, video game or TV show.
    The trailer for that movie makes it seem like it would be fun.
  7. A short blank segment of film at the end of a reel, for convenient insertion of the film in a projector.
  8. 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.
  9. 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.


  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.

The above text is a snippet from Wiktionary: trailer
and as such is available under the Creative Commons Attribution/Share-Alike License.

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