'Trailer' definitions:

Definition of 'trailer'

From: WordNet
noun
Someone who takes more time than necessary; someone who lags behind [syn: dawdler, drone, laggard, lagger, trailer, poke]
noun
An advertisement consisting of short scenes from a motion picture that will appear in the near future [syn: preview, prevue, trailer]
noun
A large transport conveyance designed to be pulled by a truck or tractor
noun
A wheeled vehicle that can be pulled by a car or truck and is equipped for occupancy [syn: trailer, house trailer]

Definition of 'Trailer'

From: GCIDE
  • Trailer \Trail"er\, n. One who, or that which, trails. [1913 Webster]

Definition of 'Trailer'

From: GCIDE
  • Trailer \Trail"er\, n.
  • 1. a wheeled vehicle without a motor, designed to be drawn by a motor vehicle in front of it; specifically: (a) such a vehicle used on street railroads. Called also trail car. (b) the large wheeled wagon or van pulled by a tractor in a tractor-trailer combination. (c) 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. (d) A wheeled motorless open wagon designed to carry a heavy object, such as a boat trailer. [PJC]
  • 2. (Movies) A short blank segment of movie film attached to the end; -- used for convenient insertion of the film in a projector. [PJC]
  • 3. (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. [PJC]
  • 4. A part of an object which extends some distance beyond the main body of the object; as, the trailer of a plant. [1913 Webster]
  • trailer park. An area equipped to accommodate trailers[2], often with outlets supplying electrical power and water. Called also trailer camp, trailer court. [PJC]