BARTER Copy link • BARTER 1. v. INTR., mutare res inter se (general term): mutare or permutare merces: mutare or permutare aliquid: with anybody, res mutare cum aliquo (general term); merces mutare cum aliquo; do you wish to barter? vin commutemus? TR., commutare aliquid: one thing for another, mutare aliquid aliqua re or (mostly) cum aliqua re; permutarealiquid aliqua re. 2. s. mutatio; permutatio mercium: mutatio ementium (the barter of persons making purchases in this way, Tac.): to purchase by barter, res inter se mutare; emere (singula) non pecunia sed ompensatione mercium. To introduce traffic by barter, res inter se mutare instituere.