Meaning : 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
Meaning : 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.
Meaning : Diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening.
Synonyms : iris diaphragm
Iris meaning in Bengali (Bangla).