Eyeliner (noun)

A cosmetic applied to the eyelids to define the eyes.

Origin:

Eyeliner is a cosmetic used to define the eyes. it is applied around the contours of the eyelids to create a variety of aesthetic effects.

Examples:

1. She applied eyeliner to make her eyes look bigger.
2. He used black eyeliner to create a more dramatic look.
3. The model was wearing purple eyeliner on the runway.
4. She was skilled in applying eyeliner, making her eyes look very pretty.
5. The eyeliner was smudged, giving her a raccoon-like appearance.