Black-legged

blackleg

[blak-leg]
noun
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.
a.
a disease of cabbage and other cruciferous plants, characterized by dry, black lesions on the base of the stem, caused by a fungus, Phoma lingam.
b.
a disease of potatoes, characterized by wet, black lesions on the base of the stem, caused by a bacterium, Erwinia atroseptica.
3.
a swindler, especially in racing or gambling.
4.
British Informal. a strikebreaker; scab.
verb (used with object), blacklegged, blacklegging. British Informal.
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).
verb (used without object), blacklegged, blacklegging.
8.
British Informal. to return to work before a strike is settled.

Origin:
1715–25; black + leg; orig. of nonliteral senses unclear; cf. jackleg

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
blackleg (ˈblæklɛɡ)
 
n
1.  (Brit) Also called: scab
 a.  a person who acts against the interests of a trade union, as by continuing to work during a strike or taking over a striker's job
 b.  (as modifier): blackleg labour
2.  Also called: black quarter an acute infectious disease of cattle, sheep, and pigs, characterized by gas-filled swellings, esp on the legs, caused by Clostridium bacteria
3.  plant pathol
 a.  a fungal disease of cabbages and related plants caused by Phoma lingam, characterized by blackening and decay of the lower stems
 b.  a similar disease of potatoes, caused by bacteria
4.  a person who cheats in gambling, esp at cards or in racing
 
vb , -legs, -legging, -legged
5.  (Brit) to act against the interests of a trade union, esp by refusing to join a strike

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