fungia

from The Century Dictionary.

• noun The typical genus of mushroom-corals of the family Fungiidæ. Lamarck, 1801. See cut under coral.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Zoöl.) A genus of simple, stony corals; -- so called because they are usually flat and circular, with radiating plates, like the gills of a mushroom. Some of them are eighteen inches in diameter.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Any member of the coral genus Fungia.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a genus comprising the usual mushroom corals