Birthmark (noun)

1. A congenital, benign irregularity on the skin that is visible at birth or shortly after birth.
2. A mark or spot on the skin that is present at birth, which may or may not be a characteristic of a particular genetic disorder.

Origin:

The word birthmark is a combination of the noun "birth" and the noun "mark". it was first recorded in english in the late 16th century.

Examples:

1. The baby was born with a birthmark on her face, it was shaped like a star.
2. She always covered her birthmark on her arm with makeup, feeling self-conscious about it.
3. The birthmark on his leg was the size of a quarter and a dark brown color.
4. Many people believe that birthmarks are a sign of something significant or even mystical.
5. The doctor assured her that the birthmark on her baby's arm was harmless and would likely fade as the child grew.