semitrailer

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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


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