Definitions

1. noun

A small, usually harmless spot on the skin caused by an increase in the number of pigment cells.

“The dermatologist examined the patient’s naevus before recommending treatment.”

2. noun

A birthmark or congenital anomaly of the skin, especially a melanocytic nevus.

“The child was born with a naevus on her left cheek.”

3. noun

A mole or spot on the skin, especially one that is pigmented.

“The patient had a large naevus on his back that he was concerned about.”