/
ˈdɪnəsti/
n.
 (pl. dynasties)
 a line of hereditary rulers. 
▸a succession of powerful or prominent people from the same family.
Derivative
- dynastic adj.
- dynastically adv.
Etymology
ME: from Fr. dynastie, or via late L. from Gk dunasteia ‘lordship’, from dunastēs (see dynast).