noun \ˈī\

: the part of the body that you see with

: an ability to understand and appreciate something seen

—used to describe the way something looks to you

Full Definition of EYE

a :  a specialized light-sensitive sensory structure of animals that in nearly all vertebrates, most arthropods, and some mollusks is the image-forming organ of sight; especially :  the nearly spherical usually paired hollow organ of sight in vertebrates that is filled with a jellylike material, is lined with a photosensitive retina, and is lodged in a bony orbit in the skull
b :  all the visible structures within and surrounding the orbit and including eyelids, eyelashes, and eyebrows
c (1) :  the faculty of seeing with eyes
(2) :  the faculty of intellectual or aesthetic perception or appreciation <an eye for beauty> (3) :  skill or ability dependent upon eyesight <a batter with a good eye>
d :  look, glance <cast an eager eye>
e (1) :  an attentive look <kept an eye on his valuables>
(2) :  attention, notice <caught his eye> (3) :  close observation :  scrutiny <works under the eye of her boss> <in the public eye>
f :  point of view, judgment <beauty is in the eye of the beholder> —often used in plural <an offender in the eyes of the law>
:  something having an appearance suggestive of an eye: as
a :  the hole through the head of a needle
b :  a usually circular marking (as on a peacock's tail)
c :  loop; especially :  a loop or catch to receive a hook
d :  an undeveloped bud (as on a potato)
e :  an area like a hole in the center of a tropical cyclone marked by only light winds or complete calm with no precipitation
f :  the center of a flower especially when differently colored or marked; specifically :  the disk of a composite
g (1) :  a triangular piece of beef cut from between the top and bottom of a round
(2) :  the chief muscle of a chop (3) :  a compact mass of muscular tissue usually embedded in fat in a rib or loin cut of meat
h :  a device (as a photoelectric cell) that functions in a manner analogous to human vision
:  something central :  center <the eye of the problem — Norman Mailer>
:  the direction from which the wind is blowing
eye·less \ˈī-ləs\ adjective
eye·like \-ˌlīk\ adjective
an eye for an eye
:  retribution in kind
my eye
—used to express mild disagreement or sometimes surprise <a diamond, my eye! That's glass>
with an eye to also with an eye toward
:  with awareness or contemplation of <with an eye to the future>
:  with the object of <built the house with an eye to adding on later>

Examples of EYE

  1. Her eyes slowly became accustomed to the dark.
  2. He wears a patch over one eye.
  3. I have something in my eye.
  4. Only a trained eye can tell the difference between the original painting and a good copy.
  5. For decorating, they rely on her discerning eye.
  6. He has an artist's eye for color.
  7. He reviewed the proposal with a jaundiced eye.
  8. The biographer cast a cold eye on the artist's life.

Illustration of EYE

Origin of EYE

Middle English, from Old English ēage; akin to Old High German ouga eye, Latin oculus, Greek ōps eye, face, Sanskrit akṣi eye
First Known Use: before 12th century

Other Anatomy Terms

bilateral symmetry, carotid, cartilage, dorsal, entrails, prehensile, renal, solar plexus, supine, thoracic, ventral



: to watch or look at (someone or something) in a very close or careful way

eyedeye·ing or ey·ing

Full Definition of EYE

transitive verb
a (1) :  to fix the eyes on :  look at <they eyed him suspiciously> (2) :  contemplate, consider <eyeing the choices>
b :  to watch or study closely <eyeing changes in the stock market>
:  to furnish with an eye
intransitive verb
obsolete :  seem, look
ey·er \ˈī(-ə)r\ noun

Examples of EYE

  1. I saw someone eyeing me from across the street.
  2. <a lot of his backyard bird watching was spent eyeing the squirrels as they depleted the bird feeder of seeds>

First Known Use of EYE

15th century


noun \ˈī\   (Medical Dictionary)

Medical Definition of EYE

:  an organ of sight; especially :  a nearly spherical hollow organ that is lined with a sensitive retina, is lodged in a bony orbit in the skull, is the vertebrate organ of sight, and is normally paired
:  all the visible structures within and surrounding the orbit and including eyelids, eyelashes, and eyebrows
:  the faculty of seeing with eyes
eye·less \ˈī-ləs\ adjective
eye·like \-ˌlīk\ adjective

Illustration of EYE

May 27, 2015
riot act Hear it
a vigorous reprimand or warning
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