Sŭb'in/feū-dā'tion, n.

n. [Prefix sub and infeudation. Cf. L. Lat. subfeodare, Fr. donner en arrière-fief.] (Law.) (a.) The granting of lands by inferior lords to their dependents, to be held by themselves by feudal tenure. Craig. (b.) Under tenancy.

The widow is immediate tenant to the heir, by a kind of subinfeudation, or under-tenancy. Blackstone.