ETYM Old Eng. bargayn, bargany, Old Fren. bargaigne, bargagne, prob. from a supposed Late Lat. barcaneum, from barca a boat which carries merchandise to the shore; hence, to traffic to and fro, to carry on commerce in general. Related to Bark a vessel.
1. An advantageous purchase; SYN. buy, steal.
2. An agreement between parties (usually arrived at after discussion) fixing obligations of each; SYN. deal.