/ Dictionary / Index A autoplast: Meaning and Definition of Find definitions for: au•to•plast Pronunciation: (ô'tu-plast"), [key] — n. Surg. autograft. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. autopilot autoplasty Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language