Grass sponge Meaning, Definition & Usage

Definitions
  1. any one of several varieties of coarse commercial sponges having the surface irregularly tufted, as Spongia graminea, and S. equina, variety cerebriformis, of Florida and the West Indies.
  2. (Zoöl.), an inferior kind of commercial sponge from Florida and the Bahamas.
Definitions
  1. (Zoöl.), an inferior kind of commercial sponge from Florida and the Bahamas.

Webster 1913