echinoderm
Concise Oxford English Dictionary © 2008 Oxford University Press:
echinoderm /ɪˈkʌɪnə(ʊ)dəːm, ˈɛkɪn-/
▶noun Zoology a marine invertebrate of the phylum Echinodermata, which includes starfishes, sea urchins, brittlestars, crinoids, and sea cucumbers.
– origin from mod. L. Echinodermata, from Gk ekhinos ‘hedgehog, sea urchin’ + derma ‘skin’.
'echinoderm' also found in these Oxford entries:
ambulacrum
- asteroid
- crinoid
- echinoid
- feather star
- ophiuroid
- ossicle
- radius
- sea cucumber
- sea lily
- sea urchin
- starfish
- tube foot

