/ Thesaurus / B Synonyms of brain coral Find synonyms for: Noun1. brain coral, stony coral, madrepore, madriporian coralusage: massive reef-building coral having a convoluted and furrowed surfaceWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language