Asterioidea
Pronunciation : As*te`ri*oid"e*a
Part of Speech : As`ter*id"e*a
Etymology : [NL., fr. Gr. -oid. See Asterias.] (Zo?l.)
Definition : Defn: A class of Echinodermata including the true starfishes. The rays vary in number and always have ambulacral grooves below. The body is starshaped or pentagonal.
Source : Webster's Unabridged Dictionary, 1913