- goods given in whole or, usually, part payment of a purchase: We used our old car as a trade-in for the new one.
- a business transaction involving a trade-in.
- of or relating to the valuation of goods used in a trade-in: trade-in price.
- of or relating to such a business transaction: trade-in terms.
- a used article given in part payment for the purchase of a new article
- a transaction involving such part payment
- the valuation put on the article traded in
- (as modifier)
- to give (a used article) as part payment for the purchase of a new article
