Emily Dickinson Lexicon

AT-TORN', v.i. [L. ad and torno; Fr. tourner; Arm. tairgna, turnein, to turn; Sp. torna; Port. id.; It. attornare, torniare. Hence torniamento, a tournament; Sp. torneo. See Turn.]

In the feudal law, 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. – Blackstone. Encyc.