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English definition of “traffic”

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traffic

noun [U]  /ˈtræf·ɪk/ us  

traffic noun [U] (MOVING THINGS)

the movement of vehicles or people along roads, or the movement of aircraft, trains, or ships along a route: heavy/rush-hour traffic Air traffic has increased 30% in the last decade.

traffic noun [U] (TRADE)

illegal trade: They’re trying to cut down on the traffic in exotic birds being sold illegally.

traffic

verb [I]  /ˈtræf·ɪk/ ( present participle trafficking, past tense and past participle trafficked) us  
to buy and sell something illegally: He was charged with trafficking in stolen goods.
(Definition of traffic from the Cambridge Academic Content Dictionary © Cambridge University Press)
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