coracoid process

A short hook separated by a strong groove from the edge of the glenoid. *cor'-age (age as Ig), v. t. [COURAGE.] To encourage, to cheer. ( Heywood. ) *cor-a-giō, s. [Ital.] Courage. "Bravely, coragio ! "- Shakesp .: All's Well , ii. 5. [O. Fr., from Lat. corallum , corallium ; Gr. koral cor-al, *co-rale, *co-rall, *co-ralle, s. & a. lion coral; Fr. corail; Ital. corallo; Sp. coral.] A. As substantive: IMG:content-0926.png:[blocks in formation] (1) Black Corals : Zool.: Corals of the sub-order Zoantharia Sclero- basic a, and the family An tip at hide. They are composite animals, consisting of a number of poly- or supported by an axis or sclerobase. The coral- pes, united by a thin fleshy cœnosarc, either simple lum or skeleton is horny and not calcareous. (2) Cup Corals : (q. v.). Zool.: A name for the family Cyathophyllidse (3) Organ Coral: Zool.: Tubipora music a. B. As adjective: 1. Made of coral. "Or genii twine beneath the deep Their coral tomb." Campbell: Hallowed Ground. coral islet, s. An islet formed by corals. " low, insignificant coral - islets "-Darwin: chalk. ". the lagoon Coraline coral polype, s. An anthozoon coral rag, 8. Geol.: A limestone of middle Oolitic age, so called because it consists in parts of continuous beds of fo il coral, for the most part retaining the position in which they grew at the bottom of the sea. Sometimes the ma is fifteen feet thick. Leading genera: Caryophyllia, Agaric i a, and Astrea. The coral rag extends through the calcareous hills of the northwest of Berks hire and the north of Wilts hire, recurring at Scar borough in Yorkshire. coral-reef, coral reef, s. 1. Ord. Lang. & Geol .: A reef consisting to sider able extent, though not exclusively, of coral. The stony skeletons of zoophytes form large ma es of limestone, and these, with shells, fragments of echini, ., become cemented together by carbonate of lime, derived probably from the decomposition of dead corals. Sometimes there are ma es of limestone with the very fracture of some of the secondary limestone; these could have been derived only from chemical precipitation. Mr. Darwin divides coral reefs into three kinds: (1) the annular or lagoon barrier reef, and (3) the fringing or skirting reef. reef, generally called an atoll, (2) the encircling or Pacific. 2. Palæont.: The reefs of Paleozoic times, if they be worthy of the name of reefs, were built up by Rugose Corals. From the Mesozoic times till now the chief reef-builders have been the families Astreide, Poritide, and Mad repo ride, the Oculinidæ and Fungia taking a le er share in the work. Coral reefs are evidences of the proximity of land. Coral-reef region: The region where reef-bearing corals live. It extends only about 1,800 miles on each side from the equator, except in the case of Bermuda, which lies in the hot waters of the Gulf Stream; 66° or more is the temperature of the sea beneath which corals will not live. IMG:content-0927.png:[blocks in formation] IMG:content-0928.png:[graphic]