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semitrailer

[sem-i-trey-ler] /ˈsɛm ɪˌtreɪ lər/
noun
1.
Also called semi. a detachable trailer for hauling freight, with wheels at the rear end, the forward end being supported by the rear of a truck tractor when attached.
Compare full trailer.
Origin of semitrailer
1915-1920
First recorded in 1915-20; semi- + trailer
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for semitrailer

semitrailer

/ˌsɛmɪˈtreɪlə/
noun
1.
a type of trailer or articulated lorry that has wheels only at the rear, the front end being supported by the towing vehicle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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