| Noun | 1. | voucher - someone who vouches for another or for the correctness of a statement | |
| 2. | voucher - a document that serves as evidence of some expenditure | |
| 3. | voucher - a negotiable certificate that can be detached and redeemed as neededbook token - a gift voucher that can be exchanged for books costing up to am amount given on the voucher twofer - a coupon that allows the holder to purchase two items (as two tickets to a play) for the price of one | |