A section of a ticket, showing the holder to be entitled to some specified accommodation or service, as to a passage over a designated line of travel, a particular seat in a theater, a discount, etc.
A small sample of a bulk material, prepared so that test failure will be representative.
Any interest payment made or due on a bond, debenture or similar (no longer by a physical coupon).
The letter sent to parliamentary candidates at the 1918 general election, endorsing them as official representatives of the coalition government.
A person's face.
A voucher issued by a manufacturer or retailer which offers a discount on a particular product.
To use coupons to a such extent that makes the user actively looking for coupons in magazines, online and whatever they can be found.
A ticket that is valid for multiple rides (limited by number of rides and/or time of travel) by public transit for which individual tickets would otherwise be needed.
A ticket that is valid for all of the events in a series of related events for which individual tickets would otherwise be needed.