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carnet

noun
car·​net | \ (ˈ)kär¦nā\
plural -s

Definition of carnet

1a : a card issued to an aviator by the Fédération Aéronautique Internationale and designed to eliminate the necessity of having a passport
b : an international credit card for aviation fuel
2 : a customs pass permitting an automobile free passage across national boundaries

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History and Etymology for carnet

French, literally, notebook, from Middle French quernet, from Latin quaterni group of four

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