blackleg

noun black·leg \ ˈblak-ˌleg , -ˌlāg \

Definition of blackleg

1 : a usually fatal toxemia especially of young cattle caused by a soil bacterium (Clostridium chauvoei)
2 : a cheating gambler : swindler
3 chiefly British : a worker hostile to trade unionism or acting in opposition to union policies : scab

First Known Use of blackleg

circa 1722


BLACKLEG Defined for English Language Learners

blackleg

noun

Definition of blackleg for English Language Learners

  • : a person who works while other employees are on strike


Medical Dictionary

blackleg

noun black·leg \ ˈblak-ˌleg, -ˌlāg \

medical Definition of blackleg

: an enzootic usually fatal toxemia especially of young cattle caused by toxins produced by an anaerobic soil bacterium of the genus Clostridium (C. chauvoei synonym C. feseri) called also black quarter, quarter evil, quarter ill, symptomatic anthrax; compare black disease, malignant edema

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