Found 2 items, similar to diarchy.
English → English (WordNet) Definition: diarchy diarchy n : a form of government having two joint rulers [syn: dyarchy]
English → English (gcide) Definition: Diarchy 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.