PENNATULA

Pennatula, genus Pennatula

(noun) type genus of the family Pennatulidae: sea pens

Source: WordNet® 3.1


Etymology

Noun

pennatula (plural pennatulas or pennatulae)

(zoology) Any of numerous species of Pennatula, Pteroides, and allied genera of Alcyonaria, having a feather-like form; a sea pen.

Source: Wiktionary


Pen*nat"u*la, n.; pl. L. Pennatulæ, E. Pennatulas. Etym: [NL., fr. L. penna a feather.] (Zoöl.)

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

17 May 2025

ANTHOZOAN

(noun) sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed


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