Found 1 items, similar to vitreous sponge.
English → English (gcide) Definition: vitreous sponge Glass-sponge \Glass"-sponge`\, n. (Zo["o]l.) 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]