trade-in

[treyd-in] /ˈtreɪdˌɪn/
noun
1.
goods given in whole or, usually, part payment of a purchase:
We used our old car as a trade-in for the new one.
2.
a business transaction involving a trade-in.
adjective
3.
of or pertaining to the valuation of goods used in a trade-in:
trade-in price.
4.
of or pertaining to such a business transaction:
trade-in terms.
Origin
1920-25; noun, adj. use of verb phrase trade in
Examples from the web for trade-in
  • His company invented the installment plan and the trade-in.
British Dictionary definitions for trade-in

trade-in

noun
1.
  1. a used article given in part payment for the purchase of a new article
  2. a transaction involving such part payment
  3. the valuation put on the article traded in
  4. (as modifier): a trade-in dealer
verb
2.
(transitive, adverb) to give (a used article) as part payment for the purchase of a new article