Definitions from Wiktionary (keyhole urchin)
▸ noun: Any of numerous clypeastroid sea urchins (sand dollars) of the genus Melitta
▸ noun: (dated) Any of various notched sand dollars of genera Rotula and Encope.
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▸ noun: Any of numerous clypeastroid sea urchins (sand dollars) of the genus Melitta
▸ noun: (dated) Any of various notched sand dollars of genera Rotula and Encope.
Similar:
cake urchin,
wheel urchin,
echinometrid,
sea urchin,
urchin,
echinoid,
clypeastroid,
euechinoid,
echinus,
echinothurioid,
more...
▸ Words similar to keyhole urchin
▸ Usage examples for keyhole urchin
▸ Idioms related to keyhole urchin
▸ Wikipedia articles (New!)
▸ Words that often appear near keyhole urchin
▸ Rhymes of keyhole urchin
▸ Invented words related to keyhole urchin