Noun

(uncountable) A hard substance made of the limestone skeletons of marine polyps.

(countable) A colony of marine polyps.

(countable) A somewhat yellowish pink colour, the colour of red coral.

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

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

Noun

(en noun)

A dense collection of trees covering a relatively large area. Larger than woods.

* {{quote-magazine, date=2013-06-29, volume=407, issue=8842, page=29, magazine=(The Economist)

, title= Unspontaneous combustion , passage=Since the mid-1980s, when Indonesia first began to clear its bountiful forests on an industrial scale in favour of lucrative palm-oil plantations, “haze” has become an almost annual occurrence in South-East Asia. The cheapest way to clear logged woodland is to burn it, producing an acrid cloud of foul white smoke that, carried by the wind, can cover hundreds, or even thousands, of square miles.}}

Any dense collection or amount.

forest of criticism.

(historical) A defined area of land set aside in England as royal hunting ground or for other privileged use; all such areas.

* {{quote-book, year=2006, author=

, title=Internal Combustion , chapter=2 citation , passage=Throughout the 1500s, the populace roiled over a constellation of grievances of which the forest' emerged as a key focal point. The popular late Middle Ages fictional character Robin Hood, dressed in green to symbolize the ' forest , dodged fines for forest offenses and stole from the rich to give to the poor. But his appeal was painfully real and embodied the struggle over wood.}}

(graph theory) A disjoint union of trees.