trailer

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A large transport vehicle designed to be hauled by a truck or tractor.
2. n. A furnished vehicle drawn by a truck or automobile and used when parked as a dwelling or office.
3. n. A short filmed advertisement for a movie; a preview.
4. n. A short, blank strip of film at the end of a reel.
5. v. To transport by a trailer: trailered the boat to the beach.
6. v. To travel or live in a trailer.

Century Dictionary and Cyclopedia

1. n. A dog that follows or tracks by scent.
2. n. plural Several logging-sleds hitched one behind another and pulled by from 4 to 8 horses, driven by one man, thus saving teamsters’ wages.
3. n. One who or that which trails. Specifically— A trailing plant or trailing branch.
4. n. 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.
5. n. A flexible or hinged contact piece pulled over a series of terminal plates so as to distribute electric currents.
6. n. An old style of vessel employed in mackerel-fishing about 1800. These vessels had outriggers or long poles on each side, the foremost about 17 feet long, the others decreasing in length to 5 feet aft, to the ends of which were fastened lines about 20 fathoms long, with a sinker of four pounds. To each of these lines was attached a bridle, reaching to the side of the vessel, where the fishermen stood to feel the bites.
7. n. A trail-car.

Wiktionary

1. n. A small vehicle, usually open-topped, towed behind another, and used for carrying equipment, etc, that cannot be carried in the leading vehicle.
2. n. Any vehicle designed to be towed, with the exception of a caravan.
3. n. A furnished vehicle towed behind another, and used as a dwelling when stationary.
4. n. A prefabricated home that could be towed to a new destination, but typically is permanently left in an area designated for such homes.
5. n. A preview of a film or TV show.
6. n. A usually invalid value used to signal the end of a list of data, often sorting last alphabetically ("ZZZZZ") or numerically ("99999") among all possible valid values; especially common in punched cards, where the final card is called a trailer card.
7. n. someone or something that trails
8. n. the last part of a packet, often containing a check sequence
9. v. To load on a trailer or to transport by trailer.

GNU Webster's 1913

1. n. One who, or that which, trails.
2. n. a wheeled vehicle without a motor, designed to be drawn by a motor vehicle in front of it
3. n. such a vehicle used on street railroads. Called also trail car.
4. n. the large wheeled wagon or van pulled by a tractor in a tractor-trailer combination.
5. n. 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.
6. n. A wheeled motorless open wagon designed to carry a heavy object, such as a boat trailer.
7. n. A short blank segment of movie film attached to the end; -- used for convenient insertion of the film in a projector.
8. n. 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.
9. n. A part of an object which extends some distance beyond the main body of the object.

WordNet 3.0

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