Blackleg :: Blackleg (n.) A disease among calves and sheep, characterized by a settling of gelatinous matter in the legs, and sometimes in the neck..
Blacklist :: Blacklist (v. t.) To put in a black list as deserving of suspicion, censure, or punishment; esp. to put in a list of persons stigmatized as insolvent or untrustworthy, -- as tradesmen and employers do for mutual protection; as, to blacklist a workman who has been discharged. See Black list, under Black, a..
Blackly :: Blackly (adv.) In a black manner; darkly, in color; gloomily; threateningly; atrociously..