trailer.
Someone who or something that trails (follows behind); something that is trailing.
Meaning & usage
Someone who or something that trails (follows behind); something that is trailing.
Part of an object which extends some distance beyond the main body of the object.
the trailer of a plant
An unpowered wheeled vehicle (not a caravan or camper) that is towed behind another, and used to carry equipment, etc., that cannot be carried in the leading vehicle.
At the end of the day, we put the snowmobiles back on the trailer.
A furnished vehicle towed behind another, and used as a dwelling when stationary.
We drove our trailer to Yellowstone Park.
A prefabricated home that could be towed to a new destination but is typically permanently left in an area designated for such homes.
The young couple′s first home was in a trailer.
A preview of a film, video game or TV show.
The trailer for that movie makes it seem like it would be fun.
A short blank segment of film at the end of a reel, for convenient insertion of the film in a projector.
The final record of a list of data items, often identified by a key field with an otherwise invalid value that sorts last alphabetically (e.g., “ZZZZZ”) or numerically (“99999”); especially common in the context of punched cards, where the final card is called a trailer card.
The linked list terminates with a trailer record.
The last part of a packet, often containing a check sequence.
The encapsulation layer adds an eight-byte header and a two-byte trailer to each packet.
Where this word comes from
From trail + -er. The film sense derives from the fact that previews were formerly shown after the main feature, rather than before as is usual today, that is trailing after the main feature.
To load on a trailer or to transport by trailer.
The engine wouldn't run any more so we had to trailer my old car to the wrecking yard.
Where this word comes from
From trail + -er. The film sense derives from the fact that previews were formerly shown after the main feature, rather than before as is usual today, that is trailing after the main feature.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.