coupon . ( Of the Br. coupon of couper , to cut). 1. m. Com. Each of the parts of a document on the public debt of a company, which will be periodically cutting for submission to the charging of the expired interest. 2. m. part that is cut from an advertisement, invitation, bonus, etc., and gives right to take part in contests, sweepstakes, or to obtain a rebate on purchases. 3. m. printed card, usually cut in a strip, attesting to the participation in a lottery. coupons in branch. 1. m. pl. Com. Those who are already cut of the respective titles, and are negotiated or agency separately from these.