Medical Dictionary


noun pl Echi·no·der·ma·ta \-nə-ˈdər-mət-ə\

Medical Definition of ECHINODERMATA

:  a phylum of radially symmetrical coelomate marine animals consisting of the starfishes, sea urchins, and related forms
echi·no·der·ma·tous \i-ˌkī-nə-ˈdər-mət-əs\ adjective
echi·no·derm \i-ˈkī-nə-ˌdərm\ noun


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