Go·du·nov  (gŏŏd'n-ôf', gŏd'-, gə-dōō-nôf')  Czar of Russia (1598-1605) who became regent for Fyodor I (1557-1598) on the death of Ivan IV (1584) and was chosen czar on Fyodor's death. His reign was marked by the colonization of Siberia and the reclamation of land in Sweden. |