pu·pil¹ (pyū'pəl)
n.

1. A student under the direct supervision of a teacher or professor.
2. Law. A minor under the supervision of a guardian.

[Middle English pupille, orphan, from Old French, from Latin pūpillus, diminutive of pūpus, boy.]

pu·pil² (pyū'pəl)
n.
The apparently black circular opening in the center of the iris of the eye, through which light passes to the retina.

[Middle English, from Old French pupille, from Latin pūpilla, little doll, pupil of the eye (from the tiny image reflected in it). See pupil¹.]

pupilar pu'pi·lar adj.

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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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