echinoderm
ɪˈkʌɪnə(ʊ)dəːm
ˈɛkɪnə(ʊ)dəːm
noun
a marine invertebrate of the phylum Echinodermata, such as a starfish, sea urchin, or sea cucumber.
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noun
a marine invertebrate of the phylum Echinodermata, such as a starfish, sea urchin, or sea cucumber.
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