Pupil /(?)/

Pu·pil

Pupil

n.
  1. The aperture in the iris; the sight, apple, or black of the eye. See the Note under Eye, and Iris. (Anat.)

Phrases & Compounds
Pin-hole pupil
the pupil of the eye when so contracted (as it sometimes is in typhus, or opium poisoning) as to resemble a pin hole.

Pupil

n.
  1. A youth or scholar of either sex under the care of an instructor or tutor.
    Too far in years to be a pupil now.
    Tutors should behave reverently before their pupils.
  2. A person under a guardian; a ward.
  3. A boy or a girl under the age of puberty, that is, under fourteen if a male, and under twelve if a female. (Civil Law)