Royal prerogative

Definitions

Law

  • noun a special right belonging only to a king or queen such as the right to appoint ministers or end a session of parliament

Politics

  • noun the set of powers which have been transferred in the course of the last 300 years from the British crown to the Prime minister, including the right to declare war, make peace, appoint cabinet ministers, create government departments, appoint bishops, give honours and titles, and dissolve parliament
http://www.dictionarycentral.com/definition/royal-prerogative.html