Pen*nat"u*la (?), n.; pl. L. Pennatulae (#), E. Pennatulas (#). [NL., fr. L. penna a feather.] Zool.

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.


© Webster 1913.

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