n. pl. dy·nas·ties
1. A succession of rulers from the same family or line.
2. A family or group that maintains power for several generations: a political dynasty controlling the state.
[Middle English dynastie, from Old French, from Late Latin dynastīa, lordship, from Greek dunasteia, from dunastēs, lord; see DYNAST.]
dy·nastic (dī-năstĭk) adj.
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