FEUD, n. [L. fides; Eng. loan.] A fief; a fee; a right to lands or hereditaments held in trust, or on the terms of performing certain conditions; the right which a vassal or tenant has to the lands or other immovable thing of his lord, to use the same and take the profits thereof hereditarily, rendering to his superior such duties and services as belong to military tenure, &c., the property of the