/ Dictionary / Index B blue coral: Meaning and Definition of Find definitions for: blue' cor'al Pronunciation: [key] any coral of the genus Heliopora, having brown polyps and a blue skeleton, found in the Indo-Pacific region. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. blue copperas blue crab Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language