pupil
nounfemininetécnico/puˈpilɐ/medium
pu·pi·la
Definition
The circular opening in the centre of the iris of the eye, which regulates the amount of light entering the eye.
Bright light causes the pupil to constrict.
The doctor observed the patient's pupils to assess their neurological response.
Etymology
Do latim 'pupilla', diminutivo de 'pupa' ('menina, boneca').