Definition of iris Iris
/ajˈɹʌs/ - [ayrus] - I•ris
We found 18 definitions of iris from 6 different sources.
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What does iris mean?
WordNet
NounPlural: irises |
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| iris - plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals | ||
| flag, fleur-de-lis, sword lily | ||
| iridaceous plant any bulbous plant of the family Iridaceae | ||
| genus iris large genus of perennials that develop from bulbs or rhizomes | ||
| bearded iris any of numerous wild or cultivated irises with hairlike structures on the falls (the drooping sepals) | ||
| beardless iris any of numerous wild or cultivated irises having no hairs on the drooping sepals (the falls) | ||
| bulbous iris any of various irises having a rootstock formed like a bulb | ||
| iris cristata, dwarf iris low-growing summer-flowering iris of northeastern United States | ||
| gladdon, gladdon iris, iris foetidissima, roast beef plant, stinking gladwyn, stinking iris iris with purple flowers and foul-smelling leaves; southern and western Europe and North Africa | ||
| iris persica, persian iris bulbous iris native to Asia Minor cultivated for its pale lilac-colored flowers | ||
| iris pseudacorus, yellow flag, yellow iris, yellow water flag common yellow-flowered iris of Europe and North Africa, naturalized in United States and often cultivated | ||
| iris verna, vernal iris, dwarf iris low-growing summer-flowering iris of northeastern United States | ||
| blue flag, iris versicolor a common iris of the eastern United States having blue or blue-violet flowers; root formerly used medicinally | ||
| iris virginica, southern blue flag similar to blue flag; the eastern United States | ||
| iris - 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 | ||
| tissue layer, membrane a thin pliable sheet of material | ||
| oculus, optic, eye a small hole or loop (as in a needle); "the thread wouldn't go through the eye" | ||
| iris - diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening | ||
| iris diaphragm | ||
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Wiktionary 
- iris (Noun)
A plant of the genus Iris, common in the northern hemisphere, and generally having attractive blooms Wikipedia. - iris (Noun)
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 Wikipedia. - iris (Noun)
A diaphragm used to regulate the size of a hole, especially as a way of controlling the amount of light reaching a lens. - iris (Noun)
A rainbow, or other colourful refraction of light. - iris (Noun)
A constricted opening in the path inside a waveguide, used to form a resonator.
Webster DictionaryWebster's Unabridged Dictionary 📘
- iris (n.)
The goddess of the rainbow, and swift-footed messenger of the gods. - iris (n.)
The rainbow. - iris (n.)
An appearance resembling the rainbow; a prismatic play of colors. - iris (n.)
The contractile membrane perforated by the pupil, and forming the colored portion of the eye. See Eye. - iris (n.)
A genus of plants having showy flowers and bulbous or tuberous roots, of which the flower-de-luce (fleur-de-lis), orris, and other species of flag are examples. See Illust. of Flower-de-luce. - iris (n.)
See Fleur-de-lis, 2.
OmegaWiki DictionaryOmegaWiki Dictionary Ω
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iris
The contractile membrane perforated by the pupil, which adjusts to control the amount of light reaching the retina. -
iris
A flower of any of the species belonging to the genus Iris; the flowers occur in many colours, have long and slender pointed leaves, and either a corm or a rhizome.
Chambers DictionaryChamber's 20th Century Dictionary 📕
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iris
ī′ris, n. the rainbow: an appearance resembling the rainbow: the contractile curtain perforated by the pupil, and forming the coloured part of the eye (also I′rid): the fleur-de-lis, or flagflower:—pl. I′rises.—adjs. I′ridal, Irid′ian, exhibiting the colours of the iris or rainbow: prismatic.—ns. Irides′cence, Iridisā′tion.—adjs. Irides′cent, coloured like the iris or rainbow; I′ridine, iridescent.—v.t. Ir′idise.—adjs. I′risāted, rainbow-coloured; Ir′ised, showing colours like the rainbow.—ns. Irī′tis, Iridī′tis, inflammation of the iris of the eye. [L. iris, iridis—Gr. iris, iridos, the rainbow.]
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