Bible Dictionaries
Birthright

King James Dictionary

BIRTH'RIGHT, n. birth and right. Any right or privilege, to which a person is entitled by birth, such as an estate descendible by law to an heir, or liberty under a free constitution.

Esau, for a morsel, sold his birthright. Hebrews 12

It may be used in the sense of primogeniture,or the privilege of the first born, but is applicable to any right which results from descent.

Bibliography Information
Entry for 'Birthright'. King James Dictionary. https://www.studylight.org/​dictionaries/​eng/​kjd/​b/birthright.html.