1. students in a school, especially in elementary or secondary school
2. the dark circular openings in the center of the eyes that control how much light enters
Usage: anatomy

Examples

• The teacher asked all pupils to take out their notebooks.
• There are thirty pupils in her fifth-grade class.
• The pupils lined up quietly for lunch.
• The doctor shined a light to check if her pupils were responding normally.
• His pupils dilated in the dim light.
• The pupils contracted when she looked directly at the bright lamp.