coupon Meaning, Definition & Usage

noun a negotiable certificate that can be detached and redeemed as needed
voucher.
noun a test sample of some substance

F., fr. couper to cut, cut off. See Coppice.

(Com.) A certificate of interest due, printed at the bottom of transferable bonds (state, railroad, etc.), given for a term of years, designed to be cut off and presented for payment when the interest is due; an interest warrant.
A section of a ticket, showing the holder to be entitled to some specified accomodation or service, as to a passage over a designated line of travel, a particular seat in a theater, or the like.