'Crinoid' definitions:
Definition of 'crinoid'
From: WordNet
adjective
Of or relating to or belonging to the class Crinoidea
noun
Primitive echinoderms having five or more feathery arms radiating from a central disk
Definition of 'Crinoid'
From: GCIDE
- Crinoid \Cri"noid\ (kr[imac]"noid), a. [See Crinoidea.] (Zool.) Crinoidal. -- n. One of the Crinoidea. [1913 Webster]