traffic

Từ điển American Heritage Dictionary 4th

traf·fic (trăfʹĭk)n.
1.
a. The passage of people or vehicles along routes of transportation.
b. Vehicles or pedestrians in transit:
heavy traffic on the turnpike; stopped oncoming traffic to let the children cross.
2.
a. The commercial exchange of goods; trade.
b. Illegal or improper commercial activity:
drug traffic on city streets.
3.
a. The business of moving passengers and cargo through a transportation system. See Synonyms at business.
b. The amount of cargo or number of passengers conveyed.
4.
a. The conveyance of messages or data through a system of communication:
routers that manage Internet traffic.
b. Messages or data conveyed through such a system:
a tremendous amount of telephone traffic on Mother's Day; couldn't download the file due to heavy Internet traffic.
5. Social or verbal exchange; communication:
refused further traffic with the estranged friend.intr.v. traf·ficked, traf·fick·ing, traf·fics
To carry on trade or other dealings:
trafficked in liquidation merchandise; traffic with gangsters. [French trafic, from Old French trafique, from Old Italian traffico, from trafficare, to trade, perhaps from Catalan trafegar, to decant, from Vulgar Latin *trānsfaecāre: trāns-, trans- + faex, faec-, dregs; see feces.] trafʹfick·er n.