Reference meaning
iris
Last updated
plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals
Related source terms
Other meanings
2. noun
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
3. noun
diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 12411922-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.