Hypertext Webster Gateway: "Echinodermata"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Echinodermata \E*chi`no*der"ma*ta\
([-e]*k[imac]`n[-o]*d[~e]r"m[.a]*t[.a]), n. pl. [NL., fr. Gr.
'echi^nos hedgehog, sea urchin + de`rma, -atos, skin.]
(Zo["o]l.)
One of the grand divisions of the animal kingdom. By many
writers it was formerly included in the Radiata. [Written
also {Echinoderma}.]
From WordNet (r) 1.7 (wn)
Echinodermata
n : radially symmetrical marine invertebrates including e.g.
starfish and sea urchins and sea cucumbers [syn: {Echinodermata},
{phylum Echinodermata}]
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