semitrailer Hear it!

semitrailer definition

☆ semi·trailer (-trāl′ər)

noun

a detachable trailer designed to be attached to a coupling at the rear of a tractor (sense ), by which it is partly supported

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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