Definitionen
1.NounAn exclusive hereditary or official right or privilege.
2.NounA right, or power that is exclusive to a monarch etc, especially such a power to make a decision or judgement."Despite being a constitutional monarchy, the British sovereign still retain many royal prerogatives."
3.NounA right, especially when due to one's position or role.
4.NounA property, attribute or ability which gives one a superiority or advantage over others; an inherent advantage or privilege; a talent.
5.AdjectiveHaving a hereditary or official right or privilege.
6.AdjectiveCharacterized by lawless state actions, as in a prerogative state.