Definitions for echinodermɪˈkaɪ nəˌdɜrm, ˈɛk ə nə-
Random House Webster's College Dictionary
e•chi•no•dermɪˈkaɪ nəˌdɜrm, ˈɛk ə nə-(n.)
any marine invertebrate animal of the phylum Echinodermata, including starfishes and sea urchins, characterized by a five-part radially symmetrical body and a calcareous endoskeleton.
Category: Invertebrates
Origin of echinoderm:
1825–35; taken as sing. of NL Echinodermata, neut. pl. of echinodermatus < Gk echîn(os) sea urchin +-o- -o - +-dermatos -derm
e•chi`no•der′ma•tous-ˈdɜr mə təs
adj.
Princeton's WordNet
echinoderm(noun)
marine invertebrates with tube feet and five-part radially symmetrical bodies
Wiktionary
echinoderm(Noun)
Any member of the Echinodermata, a group of radially symmetric, spiny-skinned marine animals. Examples of echinoderms include seastars, sea urchins, sea cucumbers, crinoids, and sand dollars.
Origin: ἐχῖνος + δέρμα
Webster Dictionary
Echinoderm(noun)
one of the Echinodermata
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