vouch ‧ er /ˈvaʊtʃə $ -ər/ BrE AmE noun [countable]
[ Date: 1500-1600 ; Language: Old French ; Origin: vocher ; ⇨ ↑ vouch ]
1 . a ticket that can be used instead of money for a particular purpose:
The voucher can be used at most major supermarkets.
First prize is a £1,000 travel voucher.
⇨ gift voucher at ↑ gift token , ⇨ ↑ luncheon voucher
2 . an official statement or ↑ receipt that is given to someone to prove that their accounts are correct or that money has been paid