pupil

/ˈpjuːpəl/
noun
  1. A student in school or a learner under a teacher's supervision.
    • As a young pupil, she loved reading books about space.
    • The school has over 500 pupils from kindergarten through fifth grade.
    • The teacher asked each pupil to hand in their homework.
  2. The black circular opening in the center of the iris of the eye that lets light in.
    • His pupils dilated when he walked into the dark room.
    • In bright sunlight, your pupil gets smaller to protect your eye.
    • The doctor shone a light into my pupil to check my vision.
Antonyms