1. Plural of iris; the colored part of the eye that controls the size of the pupil.
Usage: Medical/anatomical term
2. Plural of iris; flowering plants with sword-shaped leaves and showy flowers, typically purple, blue, yellow, or white.
Usage: Botanical term

Examples

• The doctor examined the patient's iritises to check for signs of inflammation.
• Different colored iritises in people's eyes range from brown to blue to green.
• The garden was filled with blooming iritises in shades of purple and gold.
• Iritises are popular perennial flowers in temperate climates.
• The photographer captured the delicate details of the iritises in the botanical garden.