Synonyms for iris

Noun

1. iris, flag, fleur-de-lis, sword lily, iridaceous plant

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

2. iris, membrane, tissue layer

usage: muscular diaphragm that controls the size of the pupil; it forms the colored portion of the eye

3. iris, iris diaphragm, diaphragm, stop

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