noun. An infectious, usually fatal bacterial disease of cattle and sometimes of sheep, goats, and swine, caused by Clostridium chauvoei and characterized by gas-containing swellings in the musculature.

noun. A bacterial or fungal disease of certain plants, such as the cabbage and potato, that causes the stems to turn black at the soil line.

noun. One who cheats at cards; a cardsharp.

noun. A worker who is opposed to trade unions; a scab.

noun. A laborer who is not a member of a trade-gild or trade-union; a ‘scab.’

noun. A disease in cattle and sheep which affects the legs; symptomatic anthrax. See anthrax.

noun. A severe form of purpura.

noun. One who systematically tries to gain money fraudulently in connection with races, or with cards, billiards, or other games; a rook; a swindler.

noun. Same as black-nob.

noun. A notorious gambler.

noun. A disease among calves and sheep, characterized by a settling of gelatinous matter in the legs, and sometimes in the neck.

noun. Fatal cattle disease caused by the soil-borne bacteria Clostridium chauvoei; symptomatic anthrax

noun. A person who takes the place of striking workers. A scab.

noun. A person who cheats in a game, a cheater.

noun. A notorious gambler.

adjective. Relating to a scab worker.

verb. take the place of work of someone on strike

noun. someone who works (or provides workers) during a strike

"One of their number stood out, refusing to join the combine; whereupon the rest summoned the gang and had the "blackleg" pressed for his contumacy."