sea pen

English Thesaurus

1. fleshy featherlike warm-water colonies (noun.animal)

hypernym	:	actinozoan, anthozoan,
definition	:	sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed (noun.animal)

member meronym	:	genus pennatula, pennatula,
definition	:	type genus of the family Pennatulidae: sea pens (noun.animal)