echinoderm

== English == === Etymology === From French échinoderme, corresponding to echino- +‎ -derm, after plural of 18th-century Latin echinoderma. === Pronunciation === (Received Pronunciation) IPA(key): /ɪˈkaɪnə(ʊ)ˌdɜːm/, /ɪˈkɪ-/ (General American) IPA(key): /ɪˈkaɪnəˌdɝm/, /ɪˈkaɪnoʊˌdɝm/, /əˈkaɪ.nəˌdərm/, /əˈkɪn.əˌdərm/ Hyphenation: e‧chi‧no‧derm === Noun === echinoderm (plural echinoderms) An animal of the phylum Echinodermata, comprising radially symmetric, spiny-skinned marine animals including seastars, sea urchins, sea cucumbers, crinoids, and sand dollars. [from 19th c.] ==== Hypernyms ==== invertebrate ==== Hyponyms ==== ==== Derived terms ==== ==== Related terms ==== echinoid ==== Translations ==== == Romanian == === Etymology === Borrowed from French échinoderme. === Noun === echinoderm n (plural echinoderme) echinoderm ==== Declension ====