n. An interchange of goods, merchandise, or property of any kind between countries, communities, or individuals; trade; commerce.n. The coming and going of persons or the transportation of goods along a line of travel, as on a road, railway, canal, or steamship route.n. Hence The persons or goods, collectively, passing or carried along a route or routes.n. Dealings; intercourse.n. A piece of business; a transaction.n. The subject of traffic; commodities marketed.To trade; pass goods and commodities from one person to another for an equivalent in goods or money; buy and sell wares or commodities; carry on commerce.To deal; have business or dealings.To exchange in traffic; barter, or buy and sell.To bargain; negotiate; arrange.