<p><strong>Noun</strong></p><ul><li>a large pad for supporting the reclining body, used as or on a bed, consisting of a quilted or similarly fastened case, usually of heavy cloth, that contains hair, straw, cotton, foam rubber, etc., or a framework of metal springs</li><li>air mattress</li><li>a mat woven of brush, poles, or similar material, used to prevent erosion of the surface of dikes, jetties, embankments, dams, etc.</li><li>a layer of concrete placed on bare ground, as to provide a footing; mat</li><li>a layer of any material used to cushion, protect, reinforce, or the like</li></ul>