/ Dictionary / Index C cup coral: Meaning and Definition of Find definitions for: cup' cor"al Pronunciation: [key] any of several species of coral in which the polyp forms and houses itself in a cup-shaped depression in the skeleton. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cupcake cupel Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language