cash (a check), exchange, trade in
Pero, seguro puede canjear su cheque en el aeropuerto.
But you can certainly cash your check at the airport.
— Atrápame si puedes (2002)
No puedo creer que nos vayan a canjear.
I can't believe they're going to trade us.
— Кавказский пленник (1996)
Quisiera canjear un cheque de nómina.
I would like to cash a payroll check.
— Atrápame si puedes (2002)
Decidieron canjear los prisioneros.
They decided to exchange the prisoners.