'Stylaster' definitions:

Definition of 'Stylaster'

From: GCIDE

Stylaster \Sty*las"ter\, n. [NL., from Gr. sty^los pillar + 'asth`r star.] (Zool.) Any one of numerous species of delicate, usually pink, calcareous hydroid corals of the genus Stylaster. [1913 Webster]