In the customs of the kingdom of England, the caput baroniae (Latin, 'head of the barony') was the ancient, or chief seat or castle of a nobleman, which was not to be divided among the daughters upon his death, in case there be no son to inherit.
In the customs of England, the caput baroniae (Latin, 'head of the barony') was the original or primary residence or castle of a nobleman, which could not be divided among his daughters upon his death if there were no son to inherit.