carbuncle
noun /ˈkɑːbʌŋkl/
/ˈkɑːrbʌŋkl/
- a large painful swelling (= an area that is larger and rounder than normal) under the skin
- a bright red jewel, usually cut into a round shape
Word OriginMiddle English (in sense (2)): from Old French charbuncle, from Latin carbunculus ‘small coal’, from carbo ‘coal, charcoal’.