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[ahy-bawl] /ˈaɪˌbɔl/
the ball or globe of the eye.
eyeballs, Informal. people who view or read something:
Old TV shows are getting a lot of eyeballs online.
verb (used with object)
Informal. to look at, check, or observe closely:
two opponents eyeballing each other.
give (someone) the hairy eyeball, Slang. to look at (someone) with eyelids partly lowered, as in hostility or distrust.
1580-90; 1900-05 for def 3; eye + ball1
Related forms
eyeballer, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for eyeball
  • The program could be put into these devices and operated with a mouse, tracker-ball or stylus, instead of an eyeball.
  • Or if you get sick its because you touched your eyeball in between contact with a virus and a hand washing.
  • It's certainly far from the perceived glamor and danger of eyeball-to-eyeball brinkmanship between great powers.
  • On his left pectoral is a skull with one eyeball dangling from the socket by a cord of veins.
  • Facing eyeball to eyeball is sure to provoke a fight.
  • Soon, contact lenses may be able to overlay information directly onto your eyeball.
  • One of our tasks was to look at equations and do a quick eyeball sketch.
  • So you eyeball the crowd in the restaurant, nightclub, or highway rest stop and try to figure out who's who.
  • The retina is the inner layer of the eyeball that contains photosensitive cells called rods and cones.
  • The size of your retina and your eyeball determine the width of this sight cone.
British Dictionary definitions for eyeball


the entire ball-shaped part of the eye
eyeball to eyeball, in close confrontation
(transitive) (slang) to stare at
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for eyeball

also eye-ball, 1580s, from eye (n.) + ball (n.1). As a verb, 1901, American English slang. Related: Eyeballed; eyeballing.

Online Etymology Dictionary, © 2010 Douglas Harper
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eyeball in Medicine

eyeball eye·ball (ī'bôl')

  1. The globe-shaped portion of the eye surrounded by the socket and covered externally by the eyelids. Also called bulb of eye.

  2. The eye itself.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Slang definitions & phrases for eyeball



To look at; look over; scope on •An isolated instance is attested in 1901: He would eyeball the idol-breaker/ You locate trophies before they eyeball you (1940s+ Black)

Related Terms

give someone the fish-eye, up to one's eyeballs

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Encyclopedia Article for eyeball

spheroidal structure containing sense receptors for vision, found in all vertebrates and constructed much like a simple camera. The eyeball houses the retina-an extremely metabolically active layer of nerve tissue made up of millions of light receptors (photoreceptors)-and all of the structures needed to focus light onto it. The sclera, the tough protective outer shell of the eyeball, is composed of dense fibrous tissue that covers four-fifths of the eyeball and provides attachments for the muscles that move the eye. The sclera is itself covered anteriorly by the conjunctiva, a transparent mucous membrane that prevents the eye from drying out. At the front of the eye, the tear film covers the transparent cornea, the "window" through which light passes into the eye. Working in concert with the aqueous humour behind it, the cornea provides the greatest focusing power of the eye. However, unlike the lens, the shape and focusing power of the cornea are not adjustable. Other important structures in the eyeball include the iris and the lens. Much of the eyeball is filled with a transparent gel-like material, called the vitreous humour, that helps to maintain the spheroidal shape

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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