Definition of the word trailer

The word "trailer" has a fascinating history! It originally referred to a **"traveling wagon,"** used in the early days of westward expansion in the United States. The word itself is a direct descendant of the Old English "trail," meaning "to follow a track or path." Later, the term evolved to describe **temporary housing units** towed by vehicles, particularly used for migrant workers. Finally, it came to be used for the **short preview films shown before a main movie**, due to their association with traveling film exhibition. So, the word "trailer" encompasses a history of movement, adaptation, and evolving usage.