1. A system of government in which a monarch (king or queen) serves as head of state within the parameters of a constitution, with powers limited by law and shared with other governmental institutions.
The United Kingdom is a constitutional monarchy where the monarch reigns but does not rule.
O Reino Unido é uma monarquia constitucional onde a monarca reina, mas não governa.
2. A form of limited monarchy where the sovereign's powers are restricted by constitutional law.
Spain adopted a constitutional monarchy after the transition to democracy in 1978.
A Espanha adotou uma monarquia constitucional após a transição para a democracia em 1978.