1. Of or relating to or belonging to the class Crinoidea
   "The crinoid fossils were well-preserved in the limestone"

1. Primitive echinoderms having five or more feathery arms radiating from a central disk
   "Crinoids are sometimes called sea lilies due to their plant-like appearance"

Derived forms: crinoids

Type of: echinoderm

Part of: class Crinoidea, Crinoidea

Encyclopedia: Crinoid