IRIS
/ˈaɪɹɪs/
4
Scrabble
4
WWF
I(1) R(1) I(1) S(1)
NWL/TWL ✓ Collins ✓ WWF ✓
Definition
/ˈaɪɹɪs/
noun
- A plant of the genus Iris, common in the northern hemisphere, and generally having attractive blooms (See Iris (plant)).
- 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)).
- A diaphragm used to regulate the size of a hole, especially as a way of controlling the amount of light reaching a lens.
verb
- (of an aperture, lens or door) To open or close in the manner of an iris.
Source: Wiktionary
