trailer

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A nonmotorized vehicle designed to be pulled behind a motor vehicle, especially.
• noun A large transport vehicle designed to be hauled by a truck or tractor.
• noun A furnished vehicle drawn by a truck or automobile and used when parked as a dwelling or office.
• noun A short filmed advertisement for a movie; a preview.
• noun A short, blank strip of film at the end of a reel.
• intransitive verb To transport by a trailer.
• intransitive verb To travel or live in a trailer.

from The Century Dictionary.

• noun One who or that which trails.
• noun On a vehicle, a short pointed bar sometimes suspended from the rear axle, and serving as a stop or brake in going up steep hills; a stopper.
• noun A flexible or hinged contact piece pulled over a series of terminal plates so as to distribute electric currents.
• noun An old style of vessel employed in mackerel-fishing about 1800.
• noun A trail-car.
• noun A dog that follows or tracks by scent.
• noun plural Several logging-sleds hitched one behind another and pulled by from 4 to 8 horses, driven by one man, thus saving teamsters’ wages.

from the GNU version of the Collaborative International Dictionary of English.

• noun One who, or that which, trails.
• noun a wheeled vehicle without a motor, designed to be drawn by a motor vehicle in front of it
• noun such a vehicle used on street railroads. Called also trail car.
• noun the large wheeled wagon or van pulled by a tractor in a tractor-trailer combination.
• noun a vehicle equipped as a mobile dwelling unit, pulled by an automobile or other mtor vehicle, and used as a dwelling when parked; -- also called a mobile home.
• noun A wheeled motorless open wagon designed to carry a heavy object, such as a boat trailer.
• noun (Movies) A short blank segment of movie film attached to the end; -- used for convenient insertion of the film in a projector.
• noun (Movies) A short film consisting primarily of one or more short portions of a film, used in promotions or advertisements shortly before initial release of a film.
• noun A part of an object which extends some distance beyond the main body of the object.
• noun An area equipped to accommodate trailers{2}, often with outlets supplying electrical power and water. Called also trailer camp, trailer court.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Someone who or something that trails.
• noun 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.
• noun US A furnished vehicle towed behind another, and used as a dwelling when stationary; a caravan; a camper.
• noun US A prefabricated home that could be towed to a new destination, but typically is permanently left in an area designated for such homes.
• noun media A preview of a film, video game or TV show.
• noun 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.
• noun networking The last part of a packet, often containing a check sequence.
• verb To load on a trailer or to transport by trailer.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun someone who takes more time than necessary; someone who lags behind
• noun an advertisement consisting of short scenes from a motion picture that will appear in the near future
• noun a wheeled vehicle that can be pulled by a car or truck and is equipped for occupancy
• noun a large transport conveyance designed to be pulled by a truck or tractor