Black's Law Dictionary (2nd edition)dictionaries

Diminution

Incompleteness. A word signifying that the record sent up from an inferior to a superior court for review is in-complete, or not fully certified. In such case the party may suggest a “diminution of the record,” which may be- rectified by a certiorari. 2 Tidd, Pr. 1109

Source: Black’s Law Dictionary 2nd Ed (1910)