Definition of "coral"

(countable) Any of many species of marine invertebrates in the class Anthozoa, most of which build hard calcium carbonate skeletons and form colonies, or a colony belonging to one of those species.  examples

(uncountable) A hard substance made of the skeletons of these organisms.  examples

(countable) A somewhat yellowish orange-pink colour; the colour of red coral (Corallium rubrum) of the Mediterranean Sea, commonly used as an ornament or gem.  quotations  examples

The ovaries of a cooked lobster; so called from their colour.  examples

(historical) A piece of coral, usually fitted with small bells and other appurtenances, used by children as a plaything.  quotations

Made of coral.  examples

Having the orange-pink colour of coral.  examples