'Pennatula' definitions:
Definition of 'Pennatula'
From: WordNet
noun
Type genus of the family Pennatulidae: sea pens [syn: Pennatula, genus Pennatula]
Definition of 'Pennatula'
From: GCIDE
- Pennatula \Pen*nat"u*la\, n.; pl. L. Pennatul[ae], 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. [1913 Webster]