1. A document or coupon that can be exchanged for goods, services, or money
She used a gift voucher to buy books at the store.
Ela usou um vale-presente para comprar livros na loja.
2. A receipt or proof of a transaction, typically used for accounting purposes
Keep the voucher for your records.
Guarde o comprovante para seus registros.
3. A piece of evidence or witness testimony that supports a claim
His colleagues can vouch as a voucher for his honesty.
Seus colegas podem servir como comprovante de sua honestidade.