Dictionary
Thesaurus
Reference
Translate
Web
Related Searches
on Ask.com
iris's - 2 dictionary results
Sponsored Links Irises
We offer you professional service. Full Service Florist. Thousand Oaks
www.oakbrookflorist.net
Iris Plants
10,000+ Flower & Plant Gifts. Save on Iris Plants!
IrisFlowers.BizRate.com
Irises print by Van Gogh
Art print by Vincent Van Gogh Custom framing available
www.fulcrumgallery.com
i·ris     (ī'rĭs)  Pronunciation Key 
n.   pl. i·ris·es or i·ri·des (ī'rĭ-dēz', ĭr'ĭ-)
  1. The pigmented, round, contractile membrane of the eye, suspended between the cornea and lens and perforated by the pupil. It regulates the amount of light entering the eye.
  2. Any of numerous plants of the genus Iris, having narrow sword-shaped leaves and showy, variously colored flowers.
  3. A rainbow or rainbowlike display of colors.
  4. An iris diaphragm.


[Middle English, iris (the plant), from Latin īris, īrid-, rainbow, iris (the plant), from Greek, rainbow, brightly-colored gemstone, iris of the eye; see wei- in Indo-European roots.]

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Sponsored Links Irises
We offer you professional service. Full Service Florist. Thousand Oaks
www.oakbrookflorist.net
Iris Plants
10,000+ Flower & Plant Gifts. Save on Iris Plants!
IrisFlowers.BizRate.com
Irises print by Van Gogh
Art print by Vincent Van Gogh Custom framing available
www.fulcrumgallery.com
iris   (ī'rĭs)  Pronunciation Key 
Plural irises or irides (ī'rĭ-dēz', ĭr'ĭ-)
The colored, muscular ring around the pupil of the eye in vertebrate animals, located between the cornea and lens. Contraction and expansion of the iris controls the size of the pupil, thereby regulating the amount of light reaching the retina.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Share :Share This: digg.comShare This: www.stumbleupon.comShare This: del.icio.usShare This: FacebookShare This: favorites.live.comShare This: www.technorati.comShare This: furl.netShare This: www.myspace.comShare This: www.google.comShare This: myweb2.search.yahoo.comShare This: myjeeves.ask.com
Search another word or see iris's on Thesaurus | Reference | Translate
Sponsored Links Irises
We offer you professional service. Full Service Florist. Thousand Oaks
www.oakbrookflorist.net
Iris Plants
10,000+ Flower & Plant Gifts. Save on Iris Plants!
IrisFlowers.BizRate.com
Irises print by Van Gogh
Art print by Vincent Van Gogh Custom framing available
www.fulcrumgallery.com
Amazing American Iris
$1.99 Summer Sale on Iris Fiesta Blooming Mix 15 for $19.99
www.oakhillgarden.com
Irises
Local Florist Serves Playa Del Rey And MDR. Satisfaction is Guaranteed
www.playaflowers.com
Get your FREE Subscription to Dictionary.com Word of the Day
The FREE Dictionary.com Toolbar
Dictionary Thesaurus Reference
The answers are right on your browser and just a click away with Dictionary.com Toolbar.