A wide-eyed stare or affected rolling of the eye.
A pair of protective eyeglasses.
To stare (at something) with wide eyes.
To roll the eyes.
The contractile membrane perforated by the pupil, which adjusts to control the amount of light reaching the retina, and which forms the colored portion of the eye (See Iris (anatomy) on Wikipedia.Wikipedia).
A plant of the genus Iris, common in the northern hemisphere, and generally having attractive blooms (See Iris (plant) on Wikipedia.Wikipedia).
A constricted opening in the path inside a waveguide, used to form a resonator.
A rainbow, or other colourful refraction of light.
A diaphragm used to regulate the size of a hole, especially as a way of controlling the amount of light reaching a lens.
The inner circle of an oscillated color spot.
To open or close in the manner of an iris.
To cause (something) to shine with the colours of the rainbow; to make iridescent.