Attorn(v. t.) To turn, or transfer homage and service, from one lord to another. This is the act of feudatories, vassals, or tenants, upon the alienation of the estate.
Attorn(v. t.) To agree to become tenant to one to whom reversion has been granted.
Attornment(n.) The act of a feudatory, vassal, or tenant, by which he consents, upon the alienation of an estate, to receive a new lord or superior, and transfers to him his homage and service; the agreement of a tenant to acknowledge the purchaser of the estate as his landlord.

Words within attorn