IRISES - Definition & Meaning for Kids

Meaning 1

Part of speech: Noun

plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals

Meaning 2

Part of speech: Noun

diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening

Meaning 3

Part of speech: Noun

muscular diaphragm that controls the size of the pupil which in turn controls the amount of light that enters the eye

Example: it forms the colored portion of the eye