noun
Etymology: Middle English, from Anglo-French charbucle, carbuncule, from Latin carbunculus small coal, carbuncle, diminutive of carbon-, carbo charcoal, ember
Date: 13th century
1. any of several red precious stones, the garnet cut cabochon, 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, carbuncled adjective carbuncular adjective