1
: a nonautomotive vehicle designed to be hauled by road: such as
a
: a vehicle for transporting something
a boat trailer
especially
: semitrailer sense 1
b
: a vehicle designed to serve wherever parked as a temporary dwelling or place of business
c
2
a
: a selected group of scenes that are shown to advertise a movie : preview sense 3
a theatrical trailer
b
: a short blank strip of film attached to the end of a reel
3
: one that trails
4
: a trailing plant
trailered; trailering; trailers
1
: to live or travel in or with a trailer
2
: to be transportable by trailer
a light boat that trailers easily
: to transport (something, such as a boat) by means of a trailer
Cite this Entry
“Trailer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trailer. Accessed 29 Aug. 2026.
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