From Longman Dictionary of Contemporary Englishdynastydyn‧a‧sty /ˈdɪnəsti $ ˈdaɪ-/ ●○○ noun (plural dynasties) [countable] 1 PGa family of kings or other rulers whose parents, grandparents etc have ruled the country for many years The Habsburg dynasty ruled in Austria from 1278 to 1918.2 PGSSFa period of time when a particular family ruled a country or area3 informal a group or family that controls a particular business or organization for a long time the Rothschild banking dynasty
Examples from the Corpus
dynasty• the Ming dynastyOrigin dynasty (1300-1400) Late Latin dynastia, from Greek dynastes “lord” 