1. the practice of standing outside a workplace or other location to protest or prevent people from entering during a strike or demonstration

1. present participle of picket: to stand outside a place as a form of protest, especially during a strike

Examples

• The workers began picketing outside the factory gates.
• Picketing continued for three weeks during the strike.
• The union organized picketing at multiple company locations.
• Students were picketing the administration building.
• Peaceful picketing is protected under the First Amendment.
• The company hired security during the picketing.
• Picketing helped draw public attention to their cause.