Source : Webster's Revised Unabridged Dictionary (1913)

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.