In English law. The tenth part of the increase, yearly arising and renewing from the profits of lands, the stock upon lands, and the personal industry of the inhabitants. 2 Rl. Conuu. 24. A species of incorporeal hereditament, being an ecclesias- tical inheritance collateral to the estate of the land, and due only to an ecclesiastical person by ecclesiastical law. 1 Crabb, Real Prop.