| Definitions | | Iris |
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proper noun
- (greek mythology) A messenger of the gods.
- (botany) A genus of flowering plants of the Iridaceae family.
- (given name, female).
Etymology: Greek iris "rainbow".
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Full Definition of Iris
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noun (es, pl2=iris, pl3=irides) (See Usage notes)
- (countable) (botany) A plant of the genus Iris, common in the northern hemisphere, and generally having attractive blooms.
- (poetic) A rainbow, or other colourful refraction of light.
- (countable) (anatomy) 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.
- (countable) (photography, cinematography) A diaphragm used to regulate the size of a hole, especially as a way of controlling the amount of light reaching a lens.
Etymology: From Middle English, from Latin, from Greek (unicode, ) (iris), rainbow.
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