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