counterfoil Syllabification: (coun·ter·foil)Pronunciation: /ˈkountərˌfoil/Translate counterfoil | into French | into German | into Italian | into Spanish Definition of counterfoil noun chiefly British the part of a check, receipt, ticket, or other document that is torn off and kept as a record by the person issuing it. counterfoil in other Oxford dictionaries Definition of counterfoil in the British & World English dictionary