1. (v. i.) To pass goods and commodities from one person to another for an equivalent in goods or money; to buy or sell goods; to barter; to trade.

2. (v. i.) To trade meanly or mercenarily; to bargain.

3. (v. t.) To exchange in traffic; to effect by a bargain or for a consideration.

4. (v.) Commerce, either by barter or by buying and selling; interchange of goods and commodities; trade.

5. (v.) Commodities of the market.

6. (n.) The business done upon a railway, steamboat line, etc., with reference to the number of passengers or the amount of freight carried.