/ Dictionary / Index T tractive effort: Meaning and Definition of Find definitions for: trac'tive ef'fort Pronunciation: [key] the force exerted by a locomotive or other powered vehicle on its driving wheels. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tractive tractor Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language