1. Commerce; trade; the sale or exchange of such things as merchandise, bills, and money.
2. The passing or exchange of goods or commodities from one person to another for an equivalent in goods or money.
3. People or things being transported along a route.
4. The passing to and fro of people, animals, vehicles, and vessels along a transportation route.
traffic, vb. To trade or deal in (goods, esp. illicit drugs or other contraband) (trafficking in heroin). [Cases: Controlled Substances 32, 82.] — trafficking, n. — trafficker, n.
