noun. ['ˈvaʊtʃɝ'] a document that serves as evidence of some expenditure.
1. Noun, singular or mass You can use the voucher to help pay for the cost of a new flight.
noun. ['ˈvaʊtʃɝ'] a negotiable certificate that can be detached and redeemed as needed.
noun. ['ˈvaʊtʃɝ'] someone who vouches for another or for the correctness of a statement.