noun

A birthmark is a special mark on your skin. It's like a special pattern or spot that you were born with. Birthmarks can be different colors, shapes, and sizes. They are usually harmless and some people think they are special and unique.

Example

1. She was born with a small birthmark on her cheek, which she has kept to this day.
2. His brother was born with a birthmark in the shape of a star on his arm.
3. She noticed a new birthmark on her arm that she had never seen before.