mattress

[ ma-tris ]
/ ˈmæ trɪs /

noun

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.
a mat woven of brush, poles, or similar material, used to prevent erosion of the surface of dikes, jetties, embankments, dams, etc.
a layer of concrete placed on bare ground, as to provide a footing; mat.
a layer of any material used to cushion, protect, reinforce, or the like.

Origin of mattress

1250–1300; Middle English materas < Old French < Italian materasso < Arabic maṭraḥ mat, cushion
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Examples from the Web for mattress

British Dictionary definitions for mattress

mattress

/ (ˈmætrɪs) /

noun

a large flat pad with a strong cover, filled with straw, foam rubber, etc, and often incorporating coiled springs, used as a bed or as part of a bed
Also called: Dutch mattress a woven mat of brushwood, poles, etc, used to protect an embankment, dyke, etc, from scour
a concrete or steel raft or slab used as a foundation or footingSometimes shortened to: mat
a network of reinforcing rods or expanded metal sheeting, used in reinforced concrete
civil engineering another name for blinding (def. 3)

Word Origin for mattress

C13: via Old French from Italian materasso, from Arabic almatrah place where something is thrown
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012