2 definitions found From The Collaborative International Dictionary of English v.0.48 [gcide]: Echinoidea \Ech`i*noi"de*a\, n. pl. [NL. See {Echinus}, and {-oid}.] (Zo["o]l.) The class Echinodermata which includes the sea urchins. They have a calcareous shell, usually more or less spheroidal or disk-shaped, composed of many united plates, and covered with movable spines. See {Spatangoid}, {Clypeastroid}. [Written also {Echinidea}, and {Echinoida}.] [1913 Webster] From WordNet (r) 2.0 [wn]: Echinoidea n : sea urchins and sand dollars [syn: {class Echinoidea}]
Powered by Blog Dictionary [BlogDict]
Kindly supported by
Vaffle Invitation Code
Get a Freelance Job - Outsource Your Projects | Threadless Coupon
All rights
reserved. (2008-2024)