bargain

Etymology

From Middle English bargaynen (“to bargain, make a pledge for sale”), from Old French bargaigner (“to bargain”), from Frankish *borganjan (“to borrow, lend”), from Proto-Germanic *burgijaną (“to borrow, lend”), from Proto-Indo-European *bʰergʰ- (“to protect, secure”). Akin to Old High German boragēn, borgēn (“to look after, care for”) (German borgen), Old English borgian (“to borrow, lend, pledge”). More at borrow. Compare French barguigner and Portuguese barganhar.

noun

1. An agreement between parties concerning the sale of property; or a contract by which one party binds himself to transfer the right to some property for a consideration, and the other party binds himself to receive the property and pay the consideration.
   A contract is a bargain that is legally binding. 1883, J. J. S Wharton, Wharton's Law Lexicon
2. An agreement or stipulation; mutual pledge.
3. An item purchased for significantly less than the usual, or recommended, price
4. A gainful transaction; an advantageous purchase.
   to buy a thing at a bargain
   At that price, it's not just a bargain, it's a steal.
5. The thing stipulated or purchased.

verb

1. (intransitive) To make a bargain; to make a deal or contract for the exchange of property or services; to negotiate
   They had to bargain for a few minutes to get a decent price for the rug.
2. (transitive) To transfer for a consideration; to barter; to trade