WordReference Random House Unabridged Dictionary of American English © 2026
du•ar•chy
(do̅o̅′är kē, dyo̅o̅′-),USA pronunciation n., pl. -chies.
- Governmenta government or form of government in which power is vested equally in two rulers.
- Latin du(o) two + -archy
- 1580–90
'duarchy' also found in these entries (note: many are not synonyms or translations):