n. Originally, in the feudal law of France, that which was granted to the sons of the sovereign for their support, as lands and privileges, and which reverted to the crown on the failure of male heirs.n. Whatever belongs or falls to one from one's rank or station in life.n. A natural or necessary accompaniment; an endowment or attribute.n. A dependent territory; a detached part of the dominions of a crown or government: as, India is now only an appanage of Great Britain.n. Also written apanage, and sometimes appenage.