IPA: /ˈkæləs/
KK: /ˈkæləs/
To develop a thickened and hardened area of skin, often due to repeated friction or pressure.
After weeks of playing the guitar, he began to callus on his fingertips.
Past: callused
Past Participle: callused
A thick, hard area of skin that forms as a result of pressure or friction, often found on hands or feet.
After weeks of working with the tools, he developed a callus on his palm.
**Callus** → The word 'callus' originates from Latin 'callus', meaning hard skin or callus. It refers specifically to the thickened and hardened area of skin that forms in response to friction or pressure.
Think of the Latin word 'callus' which means hard skin — this helps you remember that a callus is a thickened area of skin formed due to pressure.