coral
/ˈkɒɹəl/noun
A small sea animal of the class Anthozoa that lives in colonies and usually builds a hard chalky skeleton; also the colony such animals form.
Example sentences
- “Divers came from around the world to photograph the coral.”
- “Rising ocean temperatures are killing coral along the reef.”
Also a pinkish-orange color name. Works as both singular and mass noun: a piece of coral, a reef of coral.