<p><strong>Noun</strong></p><ul><li>a small mass, lump, or ball of anything.</li><li>a wad of paper; a wad of tobacco.</li><li>a small mass of cotton, wool, or other fibrous or soft material, used for stuffing, padding, packing, etc.</li><li>a roll of something, especially of bank notes.</li><li>Informal: a comparatively large stock or quantity of something, especially money.</li><li>a plug of cloth, tow, paper, or the like, used to hold the powder or shot, or both, in place in a gun or cartridge.</li><li>British Dialect: a bundle, especially a small one, of hay, straw, etc.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>to form (material) into a wad.</li><li>to roll tightly (often followed by up).</li><li>to hold in place by a wad.</li><li>to put a wad into; stuff with a wad.</li><li>to fill out with or as if with wadding; stuff; pad.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>to become formed into a wad.</li></ul>