noun

1. an acute, usually fatal, infectious disease of young cattle and sheep, caused by a bacterium (esp. Clostridium chauvoei) and characterized by swelling and blackening of infected muscle tissue
2. a disease of beets and related plants caused by a fungus (Phoma betae)
3. a disease of potatoes caused by a bacterium (Erwinia atroseptica)
4. Informal a gambler who cheats
5. Brit. a strikebreaker