Echinoidea

noun plural
Ech·​i·​noi·​dea | \ ˌek-ə-ˈnȯi-dē-ə \

Medical Definition of Echinoidea

: a class of motile bottom-dwelling echinoderms comprising the sea urchins and related forms

Other Words from Echinoidea

echinoid \ ˈek-​ə-​ˌnȯid \ noun

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