- 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.
- a disease of potatoes, characterized by wet, black lesions on the base of the stem, caused by a bacterium, Erwinia atroseptica.
verb (used with object), black·legged, black·leg·ging. British Informal.
verb (used without object), black·legged, black·leg·ging.
Origin of blackleg
Examples from the Web for blackleg
Historical Examples of blackleg
Most of these seemed as eager for the race as an English blackleg for the Derby.The Quadroon
Knave he was,—cheat at cards, blackleg on the turf,—but forgery!What Will He Do With It, Complete
He already knows his rival to be a blackguard; in all likelihood he is also a blackleg.The Flag of Distress
I released the blackleg, and he sat helpless in his chair, and glared at us.Great Porter Square, v. 2
Benjamin Leopold Farjeon
Could I think of treading in the boots of a blackleg, albeit they never were his own?George Cruikshank's Omnibus
- 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
- (as modifier)blackleg labour
- a fungal disease of cabbages and related plants caused by Phoma lingam, characterized by blackening and decay of the lower stems
- a similar disease of potatoes, caused by bacteria