SEA URCHIN Definition & Meaning

sea urchin

noun

any echinoderm of the class Echinoidea, having a somewhat globular or discoid form, and a shell composed of many calcareous plates covered with projecting spines.
a tall evergreen shrub or small tree, Hakea laurina, of Australia, having narrow leaves and dense, globe-shaped clusters of crimson flowers with long yellow stamens.

sea urchin

noun

any echinoderm of the class Echinoidea, such as Echinus esculentus ( edible sea urchin ), typically having a globular body enclosed in a rigid spiny test and occurring in shallow marine waters

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�y��vlog History and Origins

Origin of sea urchin¹

First recorded in 1585–95

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Example Sentences

Examples have not been reviewed.

I dreamed of preparing sea urchins with a “sous chef” boyfriend; he didn’t cook, and his palate was from the kids menu.

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The self-declared "fossil geek" said he came across some unusual-looking fragments which turned out to be pieces of sea lily - an underwater species related to starfish and sea urchins - in a piece of chalk.

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But tuna was not the only catch on offer on Sunday, with Hokkaido sea urchins also fetching a record-breaking 7m yen according to the Japan Times.

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Not to mention, you could step on a stingray or a sea urchin.

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The spike proteins are the little points that emerge out of the coronavirus, like spines jutting from a sea urchin, and the SARS-CoV-2 virus uses them to infect a patient's cells.

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