noun
- Plural of dyarchy; systems of government in which power is held by two rulers or authorities.
Usage: formal; political science term
Examples
- Several ancient kingdoms operated as dyarchies, with power shared between two co-rulers.
- The dyarchies of Sparta featured two kings governing simultaneously.
- Historical dyarchies often created complex systems of checks and balances.
- Some scholars argue that dyarchies were more stable than single-ruler governments.
- The study of dyarchies provides insight into alternative forms of political organization.