/ Dictionary / Index A autotruck: Meaning and Definition of Find definitions for: au•to•truck Pronunciation: (ô'tō-truk"), [key] — n. a motor truck. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. autotroph autotype Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language