/ Dictionary / Index C chain coral: Meaning and Definition of Find definitions for: chain' cor"al Pronunciation: [key] coral of the extinct genus Halysites, from the Ordovician and Silurian periods, consisting of oval, laterally compressed corallites united to form a chainlike structure. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chainbelt chain drive Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language