feather star

English Thesaurus

1. free-swimming stalkless crinoid with ten feathery arms; found on muddy sea bottoms (noun.animal)

hypernym	:	crinoid,
definition	:	primitive echinoderms having five or more feathery arms radiating from a central disk (noun.animal)

member meronym	:	antedon, genus antedon,
definition	:	a genus of echinoderms of the family Antedonidae (noun.animal)