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Webster 1913 Edition
Pennatula
‖
Pen-nat′u-la
,Noun.
pl. L.
Pennatulæ
(#)
, 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.