The Collaborative International Dictionary of English v.0.48:
Astrophyton \As*troph"y*ton\, n. [Astro- + Gr. fyton a plant.] (Zool.) A genus of ophiurans having the arms much branched. [1913 Webster]WordNet (r) 3.0 (2006):
Astrophyton n 1: includes many of the basket stars [syn: Astrophyton, genus Astrophyton]