- a casing of strong fabric filled with cotton, hair, foam rubber, etc., usually containing coiled springs, often quilted or tufted at intervals, and used on or as a bed
- an inflatable pad used in the same wayin full air mattress
- a mass or mat of interwoven brushwood, poles, etc. used to protect an embankment or dike from erosion, etc.
Origin of mattressMiddle English materas ; from Old French ; from Italian materasso ; from Arabic maṭraḥ, place where something is thrown or laid, cushion
- a. A usually rectangular pad of heavy cloth filled with soft material or an arrangement of coiled springs, used as or on a bed.b. An airtight inflatable pad used as or on a bed or as a cushion.
- A closely woven mat of brush and poles used to protect an embankment, a dike, or a dam from erosion.
Origin of mattressMiddle English mattresse, from Old French materas, from Old Italian materasso and from Medieval Latin matracium, both from Arabic ma&tlowdot;ra&hlowdot;, place where something is thrown, mat, cushion, from &tlowdot;ara&hlowdot;a, to throw; see &tlowdot;r&hlowdot; in Semitic roots.