Carbuncle

car;bun;cle pronunciation: function: noun etymology: middle english, from anglo-french charbucle, carbuncule, from latin carbunculus small coal, carbuncle, diminutive of carbon-, carbo charcoal, emberdate: 13th century 1 a obsolete : any of several red precious stones b : the garnet cut cabochon2 : a painful local purulent inflammation of the skin and deeper tissues with multiple openings for the discharge of pus and usually necrosis and sloughing of dead tissue— car;bun;cled adjective — car;bun;cu;lar adjective