/ Dictionary / Index P protrude: Meaning and Definition of Find definitions for: pro•trude Pronunciation: (prō-trd', pru-), [key] — v., -trud•ed, -trud•ing. —v.i. to project. —v.t. to thrust forward; cause to project. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: protrude (Thesaurus) protriptyline protrusile Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language