twofer

English Thesaurus

1. a coupon that allows the holder to purchase two items (as two tickets to a play) for the price of one (noun.communication)

hypernym	:	coupon, voucher,
definition	:	a negotiable certificate that can be detached and redeemed as needed (noun.communication)

2. an offer of two for the price of one (noun.communication)

hypernym	:	offer, offering,
definition	:	something offered (as a proposal or bid) (noun.communication)