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semi-trailer

see definition of semi-trailer
  • as ineighteen-wheeler
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Synonyms for semi-trailer

noun tractor trailer
  • 18-wheeler
  • big rig
  • rig
  • semi
  • semitrailer
  • trailer truck
  • truck trailer
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.