vouchervouch·er /ˈvaʊtʃə-ər/ noun [countableC]1a ticket that can be used instead of money for a particular purposevoucher forThe tour price includes a voucher for a meal in a pub of your choice.
She was given a travel voucher from Belfast to London.
2money that a government gives people to use for a particular purpose such as health or educationThe White House is proposing tax credits or vouchers, worth perhaps as much as $5,000 a family, to help low-income people buy health insurance.
The nursery voucher scheme gave parents vouchers worth £1000 to buy the nursery provision of their choice.
3ACCOUNTING an official RECEIPT given for money that has been paidOn receiving payment the subcontractor should give the builder a completed voucher.
4ACCOUNTING any document that proves that someone’s accounts are correct