Dictionary

echinoderm

echinoderm

noun echi·no·derm \i-ˈkī-nə-ˌdərm\

Definition of ECHINODERM

:  any of a phylum (Echinodermata) of radially symmetrical coelomate marine animals including the starfishes, sea urchins, and related forms
echi·no·der·ma·tous \-ˌkī-nə-ˈdər-mə-təs\ adjective

Origin of ECHINODERM

New Latin Echinodermata, phylum name, from echin- + -dermata (ultimately from Greek derma skin)
First Known Use: 1835

Rhymes with ECHINODERM

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