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Halcyonian :: Halcyonian (a.) Halcyon; calm.

Veretillum :: Veretillum (n.) Any one of numerous species of club-shaped, compound Alcyonaria belonging to Veretillum and allied genera, of the tribe Pennatulacea. The whole colony can move about as if it were a simple animal..

Sclerobase :: Sclerobase (n.) The calcareous or hornlike coral forming the central stem or axis of most compound alcyonarians; -- called also foot secretion. See Illust. under Gorgoniacea, and Coenenchyma..

Umbellularia :: Umbellularia (n.) A genus of deep-sea alcyonaria consisting of a cluster of large flowerlike polyps situated at the summit of a long, slender stem which stands upright in the mud, supported by a bulbous base..

Halcyonold :: Halcyonold (a. & n.) See Alcyonoid.

Alcyon :: Alcyon (n.) See Halcyon.

Alcedo :: Alcedo (n.) A genus of perching birds, including the European kingfisher (Alcedo ispida). See Halcyon..

Halcyon :: Halcyon (n.) A kingfisher. By modern ornithologists restricted to a genus including a limited number of species having omnivorous habits, as the sacred kingfisher (Halcyon sancta) of Australia..

Alcyonacea :: Alcyonacea (n. pl.) A group of soft-bodied Alcyonaria, of which Alcyonium is the type. See Illust. under Alcyonaria..

Alcyones :: Alcyones (n. pl.) The kingfishers.

Virgularian :: Virgularian (n.) Any one of numerous species of long, slender Alcyonaria belonging to Virgularia and allied genera of the family Virgularidae. These corals are allied to the sea-pens, but have a long rodlike rhachis inclosing a slender, round or square, calcareous axis. The polyps are arranged in transverse rows or clusters along each side of the rhachis..

Alcyonaria :: Alcyonaria (n. pl.) One of the orders of Anthozoa. It includes the Alcyonacea, Pennatulacea, and Gorgonacea..

Actinaria :: Actinaria (n. pl.) A large division of Anthozoa, including those which have simple tentacles and do not form stony corals. Sometimes, in a wider sense, applied to all the Anthozoa, expert the Alcyonaria, whether forming corals or not..

Sclerite :: Sclerite (n.) A hard chitinous or calcareous process or corpuscle, especially a spicule of the Alcyonaria..

Heliopora :: Heliopora (n.) An East Indian stony coral now known to belong to the Alcyonaria; -- called also blue coral.

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..

Pennatula :: Pennatula (n.) Any one of numerous species of Pennatula, Pteroides, and allied genera of Alcyonaria, having a featherlike form; a sea-pen. The zooids are situated along one edge of the side branches..

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..

Gorgoniacea :: Gorgoniacea (n. pl.) One of the principal divisions of Alcyonaria, including those forms which have a firm and usually branched axis, covered with a porous crust, or c/nenchyma, in which the polyp cells are situated..

Halcyon :: Halcyon (a.) Pertaining to, or resembling, the halcyon, which was anciently said to lay her eggs in nests on or near the sea during the calm weather about the winter solstice..

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