glass-sponge

1 definition found

glass-sponge - Collaborative International Dictionary of English v.0.48 :

  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]