n.
1.plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals
2.muscular diaphragm that controls the size of the pupil
3.diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening
Idiom of the Day
change one's tune
to make a change in one`s story/statement/opinion/policy
Our supervisor has changed his tune and agrees that we need to do things differently.
