01 n. Any one of numerous species of long, slender Alcyonaria belonging to Virgularia and allied genera of the family Virgularidae. These corals …
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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.(Zool.)