Echinoderm Definition
ĭ-kīnə-dûrm
echinoderms
noun
Any of a phylum (Echinodermata) of marine animals with a water-vascular system, and usually with a hard, spiny skeleton and radial body, including the starfishes and sea urchins.
Webster's New World
Other Word Forms of Echinoderm
Noun
Singular:
echinoderm
Plural:
echinodermsOrigin of Echinoderm
-
From New Latin Echīnodermata phylum name echino– -dermata -skinned (from Greek derma dermat- skin –derm)
From American Heritage Dictionary of the English Language, 5th Edition
Ancient Greek ἐχῖνος (ekhinos, “hedgehog”) + δέρμα (derma, “skin”)
From Wiktionary
Find Similar Words
Find similar words to echinoderm using the buttons below.