Crinoidea

krī-noid′ē-a, n.pl. a cla of Echinoderm at a , sometimes called feather-stars or sea-lilies, and well known in fo il forms as encrinites or stone-lilies.— n. Cri′nite , a fo il crinoid.— adjs. and ns. Crinoid′ , Crinoid′ean .— adj. Crinoid′al . [Gr. krinon , a lily, and eidos , form.]