VariousWords beta
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Noun
Definition: Any of numerous clypeastroid sea urchins of the genera Melitta, Rotula and Encope, with one or more perforations resembling keyholes.
VariousWords beta
Definition: Any of numerous clypeastroid sea urchins of the genera Melitta, Rotula and Encope, with one or more perforations resembling keyholes.