Cumulative bill (3)
I believe the answer is:
tab
(Other definitions for tab that I've seen before include "Running bar bill" , "The bill in a restaurant" , "Tally at bar (colloq.)" , "Tag" , "Flap; meal bill" .)
I believe the answer is:
tab
(Other definitions for tab that I've seen before include "Running bar bill" , "The bill in a restaurant" , "Tally at bar (colloq.)" , "Tag" , "Flap; meal bill" .)