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tractor-trailer: Meaning and Definition of

trac•tor-trail•er

Pronunciation: (trak'tur-trā'lur), [key]
— n.
  1. a combination trucking unit consisting of a tractor hooked up to a full trailer or a semitrailer. Also called semitrailer, semitruck. Cf. rig (def. 10).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
tractor pull tractrix
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