Duarchy
Defined in 4 dictionaries — Cyclopedic (1922), Ballentine's (1916), Black's (1910), Black's (1891)
The Cyclopedic Law Dictionary
Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
A form of government where two reign jointly. DUAS UXORES EODEM TEMPORE HAbere non potest. It is not lawful to have two wives at one time. Inst. 1. 10. 6; 1 Sharswood, Bl. Comm. 436.
Ballentine's Law Dictionary
James A. Ballentine · 1916
A government with two rulers.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
A form of government where two reign jointly.
A Dictionary of Law
Henry Campbell Black · 1891
A form of government where two reign jointly. Duas uxores eodem tempore habere non licet. It is not lawful to have two wives at thesame time. Inst. 1, 10,6; 12). Comm. 436.