Spongiopilin
Spon`gi`o`pi´lin
(~ô`pī´lĭn)n. | 1. | (Med.) A kind of cloth interwoven with small pieces of sponge and rendered waterproof on one side by a covering of rubber. When moistened with hot water it is used as a poultice. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.