Definitions for echinoidea

This page provides all possible meanings and translations of the word echinoidea

Princeton's WordNetRate this definition:(0.00 / 0 votes)

  1. Echinoidea, class Echinoidea(noun)

    sea urchins and sand dollars

Webster DictionaryRate this definition:(0.00 / 0 votes)

  1. Echinoidea

    the class Echinodermata which includes the sea urchins. They have a calcareous, usually more or less spheroidal or disk-shaped, composed of many united plates, and covered with movable spines. See Spatangoid, Clypeastroid

  2. Origin: [NL. See Echinus, and -oid.]


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