The Collaborative International Dictionary
Annats
Annats \An"nats\, Annates \An"nates\, n. pl. [See Ann.] (Eccl. Law) The first year's profits of a spiritual preferment, anciently paid by the clergy to the pope; first fruits. In England, they now form a fund for the augmentation of poor livings.
Wiktionary
annats
n. (plural of annat English)