Webster's Revised Unabridged Dictionary · 1913

Barter

Barter (bar"tẽr) , intransitive verb

[Old English bartren, Old French barater, bareter, to cheat, exchange, perh. from Greek pra`ttein to do, deal (well or ill), use practices or tricks, or perh. from Celtic; compare Ir. brath treachery, Welsh brad. Compare Barrator.]

To traffic or trade, by exchanging one commodity for another, in distinction from a sale and purchase, in which money is paid for the commodities transferred; to truck.

Barter , transitive verb

To trade or exchange in the way of barter; to exchange (frequently for an unworthy consideration); to traffic; to truck; -- sometimes followed by away; as, to barter away goods or honor.

Barter , noun

1.
The act or practice of trafficking by exchange of commodities; an exchange of goods.
The spirit of huckstering and barter. — Burke
2.
The thing given in exchange.