Crude titanium metal that has not yet been refined or forged

Any of many sponges, of the class Calcarea, having skeletons composed of spicules of calcium carbonate

plural of sponge cake

A sponge of the genus Xestospongia, especially Xestospongia testudinaria.

A type of sponge cake with a layer of jam sandwiched in the middle.

plural of Victoria sponge

Swiss roll

(transitive) To clean the inside of (something) by using a sponge. / (transitive) To remove by using a sponge. / (figuratively, transitive) To remove (something, especially debts).

plural of sponge bath

To clean with a sponge