echinodermEnglishOxford New American Dictionaryechinoderm /əˈkīnəˌdərm, əˈkaɪnəˌdərm / ▸ noun Zoology a marine invertebrate of the phylum Echinodermata, such as a starfish, sea urchin, or sea cucumber.
EnglishOxford New American DictionaryEnglishOxford New American Dictionary
EnglishOxford New American Dictionary