Recent Examples of counterfoil from the Web
Warsaw would also become the namesake for the pro-Soviet alliance system — the Warsaw Pact — created in 1955 to become NATO’s counterfoil.
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First Known Use of counterfoil
COUNTERFOIL Defined for English Language Learners
Definition of counterfoil for English Language Learners
: the part of a check, ticket, etc., that can be kept as a record when it is torn off
Seen and Heard
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