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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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Word History and Origins
Origin of sea urchin1
First recorded in 1585–95
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Example Sentences
I had everything from raw hamachi with sea urchin to lamb tongue.
From The Daily Beast
In the indentations, sheltered from the winds, could be traced the little perforations made by the sea-urchin.
From Project Gutenberg
The Sea-urchin can walk by moving its spines, tilting its body along from one place to another on the bed of the sea.
From Project Gutenberg
There is a great deal more to know about Five-fingers; and the Sea-urchin still has his secrets which no one can explain.
From Project Gutenberg
Another cousin of the Starfish is the Sea-urchin, a round prickly creature rather like the burr of the sweet-chestnut tree.
From Project Gutenberg
Why was it not possible to prove this fact for the eggs of the sea urchin?
From Project Gutenberg
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