noun
: spongy rubber of fine texture made from latex by foaming (as by whipping) before vulcanization and used especially in mattresses, cushions, and upholstery
noun
: spongy rubber of fine texture made from latex by foaming (as by whipping) before vulcanization and used especially in mattresses, cushions, and upholstery
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012