crinoid

Other forms: crinoids

Definitions of crinoid

1. adjective

   of or relating to or belonging to the class Crinoidea
2. noun

   primitive echinoderms having five or more feathery arms radiating from a central disk
   types:

   sea lily

   crinoid with delicate radiating arms and a stalked body attached to a hard surface

   comatulid, feather star

   free-swimming stalkless crinoid with ten feathery arms; found on muddy sea bottoms

   type of:

   echinoderm

   marine invertebrates with tube feet and five-part radially symmetrical bodies