What does AFFIRMANCE DAY GENERAL mean?

AFFIRMANCE DAY GENERAL meaning in Law Dictionary

into the English judge of exchequer, is each and every day appointed because of the judges of this typical pleas, and barons regarding the exchequer, to be held several days after the start of each and every term for the general allirmance or reversal of judgments. 2 Tidd, Pr. 1091.