asterioidea Meaning, Definition & Usage

As*te`ri*oid"e*a, As`ter*id"e*a noun plural (Also<
  • Asterioidea
  • Asteridea
)
Etymology
NL., fr. Gr. + -oid. See Asterias.
Definitions
  1. (Zoöl.) 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.

Webster 1913