carbuncle

/ˈkɑrbʌŋkəl/
noun
  1. A large, painful, red swelling under the skin caused by an infection, similar to a boil but bigger.
    • He developed a carbuncle after a small cut became infected.
    • The doctor treated the carbuncle on his neck with antibiotics.
    • A carbuncle can be very painful and may need to be drained.
  2. A bright red gemstone, especially a garnet cut in a rounded shape.
    • Carbuncles were once believed to protect the wearer from harm.
    • The ancient ring was set with a large carbuncle.
    • She admired the deep red glow of the carbuncle in the museum display.
What does "carbuncle" mean? | whatsthatwordmean | whatsthatwordmean