Definitions

1. noun

The second half of a ticket, voucher, or similar document, often retaining the stub.

“She kept the counterfoil of her concert ticket to prove she had attended the event.”

2. noun

A duplicate or copy of a document, especially a receipt or a cheque stub.

“The counterfoil of the cheque showed the amount deducted from his account.”

3. verb

To keep or produce a counterfoil.

“The shopkeeper counters the receipts to keep track of sales.”