Crinoid

[krainɒid]

(noun.) primitive echinoderms having five or more feathery arms radiating from a central disk.

(adj.) of or relating to or belonging to the class Crinoidea .

阿伦编辑--From WordNet

(a.) Crinoidal.

(n.) One of the Crinoidea.

校对:莱斯利