semitrailer

play
noun semi·trail·er \ˈse-ˌmī-ˌtrā-lər, ˈse-mē-, -mi-\

Definition of semitrailer

  1. 1 :  a freight trailer that when attached is supported at its forward end by the fifth wheel device of the truck tractor

  2. 2 :  a trucking rig made up of a tractor and a semitrailer

1919

First Known Use of semitrailer

1919


SEMITRAILER Defined for English Language Learners

semitrailer

play
noun semi·trail·er \ˈse-ˌmī-ˌtrā-lər, ˈse-mē-, -mi-\

Definition of semitrailer for English Language Learners

  • : a long trailer that has wheels at the rear and is attached at its forward end to a large truck

  • : a large truck with a long trailer attached to the back of it


Learn More about semitrailer


Seen and Heard

What made you want to look up semitrailer? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

not embarrassed or apologetic

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • winning-words-from-the-national-spelling-bee-logo
  • Which is the correct spelling of the winning word from 1988?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!