/ Dictionary / Index R rascasse: Meaning and Definition of Find definitions for: ras•casse Pronunciation: (ra-skas'), [key] — n. any of several scorpionfishes, as Scorpaena scrofa or S. porcus, of the Mediterranean Sea, used in making bouillabaisse. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rascally rase Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language