|Origin:||Early French trafique, from Old Italian traffico, from trafficare 'to trade'|
traf‧fic1 S1 W2 [uncountable]
the vehicles moving along a road or street:
The traffic noise kept me awake.
There wasn't much traffic on the roads.
They must have got caught in rush-hour traffic.
We were stuck in heavy traffic (=a large amount of traffic) for more than an hour.
plans to help ease traffic congestion in the city
We believe that the plans will increase the volume of traffic (=the amount of traffic).
the movement of aircraft, ships, or trains from one place to another:
air traffic control
the problems of air traffic congestion in Europe
the movement of people or goods by aircraft, ships, or trains
Most long-distance traffic of heavy goods is done by ships.
the secret buying and selling of illegal goods:
traffic in firearms