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

Category: Objects

2.Definition: 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

Category: General

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

Related Noun(s):flag, sword lily

Category: Plants