The Collaborative International Dictionary
checkage
checkage \check"age\ (ch[e^]k"[asl]j), n.
The act of checking; as, the checkage of a name or of an item in a list.
The items, or the amount, to which attention is called by a check or checks.
Wiktionary
checkage
n. 1 The act of marking with a check mark. 2 The items or amount to which attention is called by a check mark.