noun
pupil
The dark opening in the eye that lets light in.
The pupil widens as the room becomes darker.
Etymology
The Latin name means a little girl or doll. It refers to the tiny reflected figure visible when someone looks closely into another person's eye.
More examples
- A bright light made her pupils smaller.
- The doctor examined each pupil.
- The pupil appears as the dark opening within the iris.
Forms
pupil · pupils