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

Fungia :: Fungia (n.) 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..
Polypite :: Polypite (n.) One of the feeding zooids, or polyps, of a coral, hydroid, or siphonophore; a hydranth. See Illust. of Campanularian..
Corallite :: Corallite (n.) A mineral substance or petrifaction, in the form of coral..
Meandrina :: Meandrina (n.) A genus of corals with meandering grooves and ridges, including the brain corals..
Atoll :: Atoll (n.) A coral island or islands, consisting of a belt of coral reef, partly submerged, surrounding a central lagoon or depression; a lagoon island..
Chaetetes :: Chaetetes (n.) A genus of fossil corals, common in the lower Silurian limestones..
Lagoon :: Lagoon (n.) A lake in a coral island, often occupying a large portion of its area, and usually communicating with the sea. See Atoll..
Tabulata :: Tabulata (n. pl.) An artificial group of stony corals including those which have transverse septa in the calicles. The genera Pocillopora and Favosites are examples.
Multicostate :: Multicostate (a.) Having numerous ribs, or costae, as the leaf of a plant, or as certain shells and corals..
Culminate :: Culminate (a.) Growing upward, as distinguished from a lateral growth; -- applied to the growth of corals..
Alveolus :: Alveolus (n.) A small cavity in a coral, shell, or fossil.
Aporosa :: Aporosa (n. pl.) A group of corals in which the coral is not porous; -- opposed to Perforata.
Bittersweet :: Bittersweet (n.) A climbing shrub, with oval coral-red berries (Solanum dulcamara); woody nightshade. The whole plant is poisonous, and has a taste at first sweetish and then bitter. The branches are the officinal dulcamara..
Heliopora :: Heliopora (n.) An East Indian stony coral now known to belong to the Alcyonaria; -- called also blue coral.
Favosites :: Favosites (n.) A genus of fossil corals abundant in the Silurian and Devonian rocks, having polygonal cells with perforated walls..
Rugosa :: Rugosa (n. pl.) An extinct tribe of fossil corals, including numerous species, many of them of large size. They are characteristic of the Paleozoic formations. The radiating septs, when present, are usually in multiples of four. See Cyathophylloid..
Lithophyte :: Lithophyte (n.) A hard, or stony, plantlike organism, as the gorgonians, corals, and corallines, esp. those gorgonians having a calcareous axis. All the lithophytes except the corallines are animals..
Bird Pepper :: Bird pepper () A species of capsicum (Capsicum baccatum), whose small, conical, coral-red fruit is among the most piquant of all red peppers..
Paliform :: Paliform (a.) Resembling a palus; as, the paliform lobes of the septa in corals..
Bryozoum :: Bryozoum (n.) An individual zooid of a bryozoan coralline, of which there may be two or more kinds in a single colony. The zooecia usually have a wreath of tentacles around the mouth, and a well developed stomach and intestinal canal; but these parts are lacking in the other zooids (Avicularia, Ooecia, etc.)..
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