Iris - definition, pronunciation, transcription

Amer.  |ˈaɪrɪs|  American pronunciation of the word iris
Brit.  |ˈaɪərɪs|  British pronunciation of the word iris

noun

- plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals (syn: flag, fleur-de-lis)
- muscular diaphragm that controls the size of the pupil which in turn controls the amount of light that enters the eye; it forms the colored portion of the eye
- diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening

Examples

biometric identifiers such as fingerprints or iris patterns

the iris has an ensiform leaf

Word forms

noun
singular: iris
plural: irises
See also:  WebsterWiktionaryLongman