Hyalospongia
Pronunciation : Hy`a*lo*spon"gi*a
Part of Speech : n.
Etymology : [NL., fr. Gr. (Zo?l.)
Definition : Defn: An order of vitreous sponges, having glassy six-rayed, siliceous spicules; -- called also Hexactinellin?.
pl.
Source : Webster's Unabridged Dictionary, 1913