barter

Etymology

Late Middle English, from Old French barater.

noun

1. An exchange of goods or services without the use of money.
   We had no money so we had to live by barter.
2. The goods or services used in such an exchange.
   The man used his watch as barter to pay for his tab.

verb

1. (transitive, intransitive) To exchange goods or services without involving money.
   She bartered a bonsai for one of the rare books in my library.
   You may be able to barter for some of the items you need at the local market.