(or Trailer) A non-powered vehicle for the carriage of goods, intended to be coupled to an articulated vehicle (motor vehicle). Semi-trailers may have to be specially adapted for use in Intermodal Transport.
Trailer equipped with rear wheels only. The front of the trailer is supported by landing legs when not hooked to power. Generally used to refer to a full size (45 to 48-foot) trailer; as opposed to a doubles trailer.