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sea urchin
1 ENTRIES FOUND:
sea urchin
(noun)
sea urchin
noun
plural
sea urchins
sea urchin
noun
plural
sea urchins
Britannica Dictionary definition of SEA URCHIN
[
count
]
:
a small sea animal that lives on the ocean floor and is covered in sharp spines
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idly
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without much thought, effort, or concern
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