Guarnerius n 1: Italian violin maker and grandson of Andrea Guarneri (1687?-1745) [syn: {Guarneri}, {Guarnieri}, {Guiseppe Guarneri}] 2: founder of a family of Italian violin makers (1626?-1698) [syn: {Guarneri}, {Guarnieri}, {Andrea Guarneri}] 3: a violin made by a member of the guarneri family