diarchy

1. (countable, uncountable)Rule by two people.

   Djokovic finally cracked the Federer-Nadal diarchy in 2010.

2. (countable, uncountable)A state under the rule of two people; the form of government of such state.

   Swaziland is an absolute diarchy, ruled jointly by a king and a queen mother.

   Diarchie, Doppelherrschaft, Biarchie

   двоевла́стиеdvojevlástije, диа́рхияdiárxija

   діа́рхіяdiárxija

   a form of government having two joint rulers

regular

• dinarchyalternative
• dyarchyalternative