Glass-sponge

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Glass-sponge \Glass"-sponge`\, n. (Zool.)
     A siliceous sponge, of the genus {Hyalonema}, and allied
     genera; -- so called from their glassy fibers or spicules; --
     called also {vitreous sponge}. See {Glass-rope}, and
     {Euplectella}.
     [1913 Webster]