noun
- any right or privilege to which a person is entitled by birth: Democracy maintains that freedom is a birthright.
noun
- privileges or possessions that a person has or is believed to be entitled to as soon as he is born
- the privileges or possessions of a first-born son
- inheritance; patrimony
also birth-right, 1530s, from birth (n.) + right (n.). Used as an adjective from 1650s, especially by Quakers.