/ Dictionary / Index P protrusile: Meaning and Definition of Find definitions for: pro•tru•sile Pronunciation: (prō-tr'sil, -sīl, pru-), [key] — adj. capable of being thrust forth or extended, as the tongue of a hummingbird. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: protrusile (Thesaurus) protrude protrusion 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