/ Dictionary / Index T truck tractor: Meaning and Definition of Find definitions for: truck' trac"tor Pronunciation: [key] tractor (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. truck system truck trailer Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language