voucher noun
ADJ. credit | discount, money-off | gift, sales, shopping | luncheon | travel | accommodation, hotel | fuel, petrol
VERB + VOUCHER give sb, issue (sb with) The company issues travel vouchers to all managers. | get, receive I got a credit voucher for £30. | redeem, spend, use
VOUCHER + VERB entitle sb to sth a voucher entitling you to a half-price meal | be worth sth a voucher worth £100 | be redeemable a 50p money-off voucher redeemable against any future purchase of the product
PREP. ~ for a voucher for children's glasses
You can also check other dicts: voucher (English, 中文解释 ), wordnet sense, Collins Definition