Definition of coral

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Coral (n.) The hard parts or skeleton of various Anthozoa, and of a few Hydrozoa. Similar structures are also formed by some Bryozoa..

Lern More About Coral

Coralloid :: Coralloid (a.) Having the form of coral; branching like coral.
Proliferous :: Proliferous (a.) Producing a cluster of branchlets from a larger branch; -- said of corals.
Lithogenous :: Lithogenous (a.) Stone-producing; -- said of polyps which form coral.
Calicle :: Calicle (n.) One of the small cuplike cavities, often with elevated borders, covering the surface of most corals. Each is formed by a polyp. (b) One of the cuplike structures inclosing the zooids of certain hydroids. See Campanularian..
Cow-pilot :: Cow-pilot (n.) A handsomely banded, coral-reef fish, of Florida and the West Indies (Pomacentrus saxatilis); -- called also mojarra..
Coenenchyma :: Coenenchyma (n.) The common tissue which unites the polyps or zooids of a compound anthozoan or coral. It may be soft or more or less ossified. See Coral.
Polypidom :: Polypidom (n.) A coral, or corallum; also, one of the coral-like structure made by bryozoans and hydroids..
Tubipora :: Tubipora (n.) A genus of halcyonoids in which the skeleton, or coral (called organ-pipe coral), consists of a mass of parallel cylindrical tubes united at intervals by transverse plates. These corals are usually red or purple and form large masses. They are natives of the tropical parts of the Indian and Pacific Oceans..
Heliopora :: Heliopora (n.) An East Indian stony coral now known to belong to the Alcyonaria; -- called also blue coral.
Polyp :: Polyp (n.) One of the feeding or nutritive zooids of a hydroid or coral.
Pennatulacea :: Pennatulacea (n. pl.) A division of alcyonoid corals, including the seapens and related kinds. They are able to move about by means of the hollow muscular peduncle, which also serves to support them upright in the mud. See Pennatula, and Illust. under Alcyonaria..
Millepora :: Millepora (n.) A genus of Hydrocorallia, which includes the millipores..
Isis :: Isis (n.) Any coral of the genus Isis, or family Isidae, composed of joints of white, stony coral, alternating with flexible, horny joints. See Gorgoniacea..
Corallin :: Corallin (n.) A yellow coal-tar dyestuff which probably consists chiefly of rosolic acid. See Aurin, and Rosolic acid under Rosolic..
Meandrina :: Meandrina (n.) A genus of corals with meandering grooves and ridges, including the brain corals..
Erythrina :: Erythrina (n.) A genus of leguminous plants growing in the tropics; coral tree; -- so called from its red flowers.
Keratophyte :: Keratophyte (n.) A gorgonian coral having a horny axis.
Exotheca :: Exotheca (n.) The tissue which fills the interspaces between the costae of many madreporarian corals, usually consisting of small transverse or oblique septa..
Pomacentroid :: Pomacentroid (a.) Pertaining to the Pomacentridae, a family of bright-colored tropical fishes having spiny opercula; -- often called coral fishes..
Corallite :: Corallite (n.) One of the individual members of a compound coral; or that part formed by a single coral animal.
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