[trail.er] n (1590) 1: one that trails
2: a trailing plant
3: a nonautomotive vehicle designed to be hauled by road: as a: a vehicle for transporting something "a boat ~"; esp: semitrailer 1 b: a vehicle designed to serve wherever parked as a temporary dwelling or place of business c: mobile home
4. a: preview
2. b: a short blank strip of film attached to the end of a reel
[2]trailer vi (1938) 1: to live or travel in or with a trailer
2: to be transportable by trailer "a light boat that ~s easily" ~ vt: to transport (as a boat) by means of a trailer -- trail.er.able adj -- trail.er.ing n