mattrass (matrass) / mattress [ˈmætrəs]
mattrass (matrass) – n. – 1. a rounded glass flask used for chemical distillation
mattress – n. & v. – n. – 1. a large, usually rectangular, fabric covered container filled with light material to make sleeping more comfortable; 2. a base for bedding; 3. construction materials used as a base for roads, piers etc.; v. – provide with contained cushioned bedding