1. deals or trades in something illegal or improper
Usage: third person singular present
2. moves through or uses a route regularly
Usage: third person singular present

Examples

• He traffics in stolen goods.
• The criminal organization traffics drugs across the border.
• She traffics in gossip and rumors.
• Heavy machinery traffics through this road daily.
• The airline traffics passengers between major cities.
• The company traffics data between servers.
• Wildlife traffics along this migration route.