eyeliner
US /ˈaɪˌlaɪ.nɚ/
UK /ˈaɪˌlaɪ.nɚ/

1.
a cosmetic applied as a line around the eyes to make them appear larger or more expressive
:
•
She carefully applied her liquid eyeliner.
•
A thick line of eyeliner can create a dramatic look.
a cosmetic applied as a line around the eyes to make them appear larger or more expressive