echinoderm

noun
echi·​no·​derm | \ i-ˈkī-nə-ˌdərm How to pronounce echinoderm (audio) \

Definition of echinoderm

: any of a phylum (Echinodermata) of radially symmetrical coelomate marine animals including the starfishes, sea urchins, and related forms

Other Words from echinoderm

echinodermatous \ i-​ˌkī-​nə-​ˈdər-​mə-​təs How to pronounce echinodermatous (audio) \ adjective

First Known Use of echinoderm

1835, in the meaning defined above

History and Etymology for echinoderm

New Latin Echinodermata, phylum name, from echin- + -dermata (ultimately from Greek derma skin)

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The first known use of echinoderm was in 1835

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