sea pen

(redirected from Pennatulida)
Also found in: Thesaurus, Encyclopedia.

sea pen

n.
Any of various corals of the order Pennatulacea, having a flexible skeleton in the form of a long central shaft with numerous branches on each side.

[From its resemblance to a quill pen.]

sea pen

n
(Animals) any of various anthozoan coelenterates of the genus Pennatula and related genera, forming fleshy feather-like colonies in warm seas: order Pennatulacea

sea′ pen`


n.
any soft coral of the order Pennataluceae, forming feather-shaped colonies.
[1755–65]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sea pen - fleshy featherlike warm-water coloniessea pen - fleshy featherlike warm-water colonies
actinozoan, anthozoan - sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed
genus Pennatula, Pennatula - type genus of the family Pennatulidae: sea pens