sea urchin
Pronunciation:
/ˈsi ˌɝtʃɪ̈n/noun
Definitions
Any of many marine echinoderms, of the class Echinoidea, commonly found in shallow water, having a complex chewing structure named Aristotle's lantern.
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/ˈsi ˌɝtʃɪ̈n/Definitions
Any of many marine echinoderms, of the class Echinoidea, commonly found in shallow water, having a complex chewing structure named Aristotle's lantern.