the movement of vehicles, ships, persons, etc., in an area, along a street, through an air lane, over a water route, etc.

the heavy traffic on Main Street.

the vehicles, persons, etc., moving in an area, along a street, etc.

the transportation of goods for the purpose of trade, by sea, land, or air

ships of traffic.

trade; buying and selling; commercial dealings.

trade between different countries or places; commerce.

the business done by a railroad or other carrier in the transportation of freight or passengers.

the aggregate of freight, passengers, telephone or telegraph messages, etc., handled, esp. in a given period.

communication, dealings, or contact between persons or groups

traffic between the Democrats and the Republicans.

mutual exchange or communication

traffic in ideas.

trade in some specific commodity or service, often of an illegal nature

the vast traffic in narcotics.

to carry on traffic, trade, or commercial dealings.

to trade or deal in a specific commodity or service, often of an illegal nature (usually fol. by in )

to traffic in opium.

noun

cartage , flux , freight , gridlock , influx , jam , movement , parking lot * , passage , passengers , rush hour , service , shipment , transfer , transit , transport , transportation , travel , truckage , vehicles , barter , business , closeness , commerce , communication , communion , connection , custom , dealing , dealings * , doings * , exchange , familiarity , industry , interchange , intercourse , intimacy , merchantry , patronage , peddling , relations , relationship , soliciting , trade , transactions , truck * , trading

verb

bargain , barter , black-market , bootleg * , connect with , contact , deal , deal in * , dicker , exchange , fence , handle , have dealings , have transaction , horse trade , interact , interface , make a deal , market , moonshine * , negotiate , network , peddle , push , reach out , relate , shove , swap , touch , touch base * , trade , truck * , work out , bootleg , business , commerce , dealings , doings , freight , patronage , sell , smuggle , truck