traffic in

traffic in (something)

To deal in the buying and selling of some commodity, especially that which is illicit or illegal. The mobster trafficked in drugs for years before entering into various other business models. The government has been accused of trafficking in relics pillaged from neighboring countries.
See also: traffic
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

traffic in something

to deal in something; to trade in something, usually something illegal. Max had been trafficking in guns for years before they caught him. The president of the country was trafficking in drugs for years.
See also: traffic
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

traffic in

v.
To engage in the buying and selling of some illegal or improper product or commodity: The police arrested the criminals who trafficked in stolen diamonds.
See also: traffic
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
See also:
References in periodicals archive ?
At the entrances, a traffic light system was also installed.AaAeAeA T Road Agency said the traffic in the direction to VarnaAaAeAeA would be stopp today.
The mere presence of several hundred of these citizens visibly manning the border dramatically cuts the alien smuggling traffic in the sectors.