Blackleg

n.	1.	A notorious gambler.
	2.	A disease among calves and sheep, characterized by a settling of gelatinous matter in the legs, and sometimes in the neck.

Noun	1.	blackleg - someone who works (or provides workers) during a strike Synonyms: scab, strikebreaker, rat
Verb	1.	blackleg - take the place of work of someone on strike Synonyms: scab, rat

Texas fever, anthrax, aphthous fever, bighead, black quarter, blackwater, blind staggers, bloody flux, broken wind, cattle plague, charbon, cheat, cheater, chiseler, cozener, crook, defrauder, diddler, distemper, fink, flimflam man, flimflammer, foot-and-mouth disease, gapes, glanders, gyp artist, gypper, heaves, hog cholera, hoof-and-mouth disease, hydrophobia, juggler, liver rot, loco, loco disease, locoism, mad staggers, malignant catarrh, malignant catarrhal fever, malignant pustule, mange, megrims, milzbrand, paratuberculosis, pip, pseudotuberculosis, quarter evil, rabies, rat, rinderpest, rot, scab, scabies, sheep rot, splenic fever, staggers, strikebreaker, stringhalt, swindler, swine dysentery, two-timer