any of several colonial coelenterates of the genus Pennatula and related genera, having the shape of a fleshy feather.
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Origin of sea pen
First recorded in 1755–65
Words nearby sea pen
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for sea pen
Mr. Darwin's description of a kind of Sea-pen, Virgularia Patagonia, throws some curious light on the habits of these creatures.The Ocean World:|Louis Figuier
I will only mention one other animal, a zoophyte (I believe Virgularia Patagonica), a kind of sea-pen.A Naturalist's Voyage Round the World|Charles Darwin
British Dictionary definitions for sea pen
any of various anthozoan coelenterates of the genus Pennatula and related genera, forming fleshy feather-like colonies in warm seas: order Pennatulacea
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012