v. 1. To count aloud from one end of a line of men to the other, each man counting in turn. The soldiers counted off from right to left. 2. To place into a separate group or groups by counting. The coach counted off three boys to carry in the equipment. Tom counted off enough newspapers for his route.
COUNT OFF
Meaning of COUNT OFF in English
American idioms English vocabulary. Английский словарь американских идиом. 2012