Dictionary.net

A kind of cloth interwoven with small pieces of sponge and rendered waterproof on one side by a covering of rubber. When moistend with hot water it is used as a poultice.

[Greek] Cotton cloth containing small pieces of sponge and made with one surface waterproof; used, when soaked in hot water, as a poultice.

A sheet, about half an inch thick, of cotton wool mingled with small pieces of sponge, coated with gutta percha on one side; to be wrung out of hot water and applied as a poultice. [Gr.]