'Diarchy' definitions:
Definition of 'diarchy'
From: WordNet
noun
A form of government having two joint rulers [syn: diarchy, dyarchy]
Definition of 'Diarchy'
From: GCIDE
- Diarchy \Di"arch*y\, n. [Gr. di- = di`s- twice + ? to rule.] A form of government in which the supreme power is vested in two persons. Diarial