1. workers who continue to work during a strike or who take the jobs of striking workers
Usage: British; derogatory
2. a bacterial disease affecting cattle and sheep, causing swelling in the legs
Usage: veterinary

Examples

• The union condemned the blacklegs who crossed the picket line.
• Management hired blacklegs to keep the factory running during the strike.
• The striking workers shouted at the blacklegs entering the building.
• Several cattle died from blacklegs before the veterinarian arrived.
• Farmers vaccinate their livestock to prevent blacklegs.
• The disease known as blacklegs spreads quickly through herds.