Definitions

1. noun

A large, painful, and usually pus-filled boil or skin abscess, typically caused by a bacterial infection.

“She had to visit the doctor due to a large carbuncle on her neck.”

2. noun

A large and painful pustule or boil, especially one caused by a boil or carbuncle (Medieval medicine).

“In medieval times, carbuncles were often associated with evil spirits or the devil.”