/ Dictionary / Index P protuberant: Meaning and Definition of Find definitions for: pro•tu•ber•ant Pronunciation: (prō-t'bur-unt, -ty'-, pru-), [key] — adj. bulging out beyond the surrounding surface; protruding; projecting: protuberant eyes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: protuberant (Thesaurus) protuberancy protuberate Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language