blackleg
Concise Oxford English Dictionary © 2008 Oxford University Press:
blackleg/ˈblakleɡ/
▶noun
- 1 Brit. derogatory a person who continues working when fellow workers are on strike.
- 2 a bacterial disease of cattle and sheep, causing necrosis in the leg.
- 3 a plant disease in which part of the stem blackens and decays.
'blackleg' also found in these Oxford entries:

