01 n. One of the feeding zooids, or polyps, of a coral, hydroid, or siphonophore; a hydranth. See Illust. of Campanularian.
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1.
One of the feeding zooids, or polyps, of a coral, hydroid, or siphonophore; a hydranth. See Illust. of Campanularian.(Zool.) See: Campanularian
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2.
A fossil coral.(Paleon.)