Definition
diarchies
noun
- Plural of diarchy; systems of government in which power is held by two rulers or authorities.
Usage: formal; political science term
Examples
- Ancient Sparta was famous for its diarchy, with two kings ruling simultaneously.
- Some historians study diarchies as alternative models of shared political power.
- The diarchies of early medieval kingdoms often led to internal conflict.
- Constitutional diarchies have been rare in modern political systems.