trailer
nounUK /ˈtreɪlə/
US /ˈtreɪlər/
A trailer is a small home or box on wheels that a car can pull.
We packed our bags and hitched the trailer to the car for our camping trip.
OTHER MEANINGS
2. A short advertisement for a movie or TV show.
We watched the trailer for the new animated film before the movie started.
3. A vehicle with no engine that is pulled by another vehicle to carry goods.
The truck pulled a long trailer full of boxes.
4. A mobile home or office that can be moved from place to place.
The builders set up a trailer on the site to use as an office.