Definition of sea urchin
: any of numerous echinoderms (class Echinoidea) that are usually enclosed in thin brittle globular tests covered with movable spines
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Recent Examples of sea urchin from the Web
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One is dressed with butter and soy sauce and tossed with pieces of sea urchin; another is sweet and simple, tangy with ketchup.
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At the Rubenstein Arts Center on Duke University’s campus, an image from a microscope makes an alien landscape out of the knobby, radial symmetry of a sea urchin skeleton.
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Geoduck, sea urchin and citrus work in unison in a delicate rice tart that comes to the table under a glass dome white from dry ice.
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Plus, a seafood tower (clams, snow crabs, mussels, whelks, sea urchin), caribou heart with alder and chanterelle mushrooms, tuna with berries, and chanterelle ice cream.
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Starfish feed on a variety of invertebrates, including mussels, sea urchins, clams and snails.
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That’s because the kelp canopy on the periphery of their range had been devoured by sea urchins.
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And last year, Saison, a Michelin three-star restaurant in San Francisco, started serving caviar with cricket broth alongside sea urchins and whole crickets.
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The classic photo here is a sea otter on its back, paddling, with its favorite rock to crack open sea urchins resting on its chest.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sea urchin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of sea urchin
1591
SEA URCHIN Defined for English Language Learners
sea urchin
Definition of sea urchin for English Language Learners
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: a small sea animal that lives on the ocean floor and is covered in sharp spines
SEA URCHIN Defined for Kids
sea urchin
Definition of sea urchin for Students
: a small sea animal that is related to the starfish, lives on the sea bottom, and is enclosed in a roundish shell covered with spines that can move
Learn More about sea urchin
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Spanish Central: Translation of sea urchin Nglish: Translation of sea urchin for Spanish speakers Britannica.com: Encyclopedia article about sea urchin
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