society > authority > rule or government > a or the system of government > government by specific number of rulers > [noun] > by two (7)
A government by two co-ordinate rulers; a diarchy.
The position or office of the Roman duumvirs; the joint office or authority of two.
A government by two rulers. Also spec. the system of provincial government in India established by the Government of India Act of 1919 (9 & 10…
Dual sovereignty, government by two.