Werner's syndromePronunciation: /ˈwəːnəz, ˈvɛː-/Definition of Werner's syndrome noun [mass noun] Medicine a rare hereditary syndrome causing rapid premature ageing, susceptibility to cancer, and other disorders. Origin: 1930s: named after Carl O. Werner (1879–1936), German physicianWerner's syndrome in other Oxford dictionaries Definition of Werner's syndrome in the US English dictionary