Voucher
WordNet
noun
(1) A negotiable certificate that can be detached and redeemed as needed
(2) A document that serves as evidence of some expenditure
(3) Someone who vouches for another or for the correctness of a statement
WiktionaryText
Noun
- A piece of paper that entitles the holder to a discount, or that can be exchanged for goods and services.
- A receipt.
- A person who vouches.
Verb
- To establish the authenticity of; to vouch for.
- To provide a vouch for (an expenditure).
- To provide (a beneficiary) with a voucher.