1. groups of criminals who work together
2. groups of people who regularly spend time together
Usage: informal
3. organized groups of workers or laborers

Examples

• The police arrested several members of rival gangs.
• Street gangs have been a problem in this neighborhood for years.
• Our whole gang is meeting at the park after school.
• The gang of friends went to the movies together.
• Construction gangs worked around the clock to finish the project.
• Railroad gangs maintained the tracks along the entire route.
• The work gang completed the road repairs ahead of schedule.