pupil
n.
student; opening in the center of the iris of the eye (Anatomy)
Pupil
The pupil (Latin pupilla "little doll" > pupa "doll") is the variable-sized, black circular or slit shaped opening in the center of the
iris that regulates the amount of
light that enters the
eye. It appears black because most of the light entering the pupil is absorbed by the
tissues inside the eye.
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pupil (de)
n.
pupil, ward, cheeper
Pupil
(n.)
The aperture in the iris; the sight, apple, or black of the eye. See the Note under Eye, and Iris.
(n.)
A youth or scholar of either sex under the care of an instructor or tutor.
(n.)
A person under a guardian; a ward.
(n.)
A boy or a girl under the age of puberty, that is, under fourteen if a male, and under twelve if a female.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
About
Pupil
The opening of the iris. The pupil may appear to open (dilate) and close (constrict) but it is really the iris that is the prime mover; the pupil is merely the absence of iris.
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