blackleg

noun

Meaning

A fatal cattle disease caused by the soil-borne bacterium Clostridium chauvoei; symptomatic anthrax.
A disease of potato crops caused by pectolytic bacteria, characterized by blackening and decay of the lower stem portion.
A disease of brassicas caused by the fungus Leptosphaeria maculans
A person who cheats in a game; a cheater, especially a dishonest bookmaker.
A person who takes the place of striking workers.
To continue working whilst fellow workers strike.

From black + leg.

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