a hyena, Hyaena brunnea, of southern Africa, having a blackish-gray coat: its dwindling population is now protected.
brown induration of the lung
a debilitating lung disease resembling emphysema, occurring among textile workers from inhalation of cotton dust.
noun another name for byssinosis
black mustard. See under mustard (def 2). leaf mustard. See under mustard (def 2).