sea pen

noun

1. any of several colonial coelenterates of the genus Pennatula and related genera, having the shape of a fleshy feather.

sea pen

noun

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

Word History and Origins

Origin of sea pen¹

First recorded in 1755–65

Example Sentences

This makes it well-adapted to hide within the white leaves of its sea pen host.

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A small creature called a sea pen, which helps to build reefs, could lose up to 40% of their suitable habitat by the end of the century.

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The Dolphin Company, based in Mexico, had agreed to help move Lolita to a natural sea pen in the Pacific Northwest when it took over ownership of the Seaquarium in 2022.

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Earlier this year, the county and the Seaquarium reached a deal with donors on a plan to transport Lolita, and potentially Li’i, to a sea pen in the Pacific Northwest.

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In fact, Norway is the world's largest producer of farmed salmon, raising millions of the fish in sea pens scattered throughout its jagged fjords.

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