Main Entry: black·leg

Pronunciation: \ˈblak-ˌleg, -ˌlāg\

Function: noun

Date: circa 1722

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