(anatomy) The hole in the middle of the iris of the eye, through which light passes to be focused on the retina. / (zoology) The central dark part of an ocellated spot.

(dated outside UK) A learner at a school under the supervision of a teacher. / One who studies under supervision of a renowned expert in their field.

(biology) Having pupils (of a specified number or kind).

Misspelling of pupilled.

(zoology) Having a central spot of another color, like the pupil of the human eye.

plural of pupil

A student who attends a boarding school but does not board there, continuing to live at home

(medicine, neurology) Adie syndrome.

(medicine, informal) Mydriasis.

(medicine, informal) Argyll Robertson pupil, a characteristic sign in syphilitic eye disease.