[blak-leg] 
noun, verb, -legged, -leg⋅ging.| 1. | Also called black quarter, symptomatic anthrax. Veterinary Pathology. an infectious, often fatal disease of cattle and sheep, caused by the soil bacterium Clostridium chauvoei and characterized by painful, gaseous swellings in the muscles, usually of the upper parts of the legs. |
| 2. | Plant Pathology.
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| 3. | a swindler, esp. in racing or gambling. |
| 4. | British Informal. a strikebreaker; scab. |
| 5. | to replace (a worker) who is on strike. |
| 6. | to refuse to support (a union, union workers, or a strike). |
| 7. | to betray or deceive (a person or cause). |
| 8. | British Informal. to return to work before a strike is settled. |
