WordReference Random House Learner's Dictionary of American English © 2019
eye /aɪ/USA pronunciation   n., v.,  eyed, ey•ing or eye•ing. 
n. [countable]
  1. Anatomythe organ of sight;
    in animals with backbones, one of a pair of rounded bodies in the skull with muscles and nerves.
  2. [usually: singular] sight;
    vision: The marksman had a sharp eye.
  3. [usually: singular] the power of seeing and appreciating something through vision: an artistic eye.
  4. a look, glance, or gaze: to cast one's eye upon a scene.
  5. an attentive look;
    observation: under the watchful eyes of the guards.
  6. point of view;
    intention: through the eyes of a ten-year-old.
  7. judgment;
    opinion: innocent in the eyes of the law.
  8. Clothingsomething suggesting the eye in appearance, as the opening in the lens of a camera or a hole in a needle.

v. [+ object]
  1. to look at;
    watch:eyed the strangers with suspicion.
  1. Idiomsbe all eyes, to be extremely attentive;
    to pay great attention:She was all eyes as the magician began his act.
  2. Idiomscatch someone's eye, to attract someone's attention:She caught my eye as I moved toward the door.
  3. Idiomshave an eye for, [+ object] have good judgment about or appreciation for:He has an eye for bargains.
  4. Idiomshave eyes for, [have + -s + for + object] to be attracted to:She only has eyes for you.
  5. Idiomskeep one's eyes open, [no object] to be especially alert or observant:The guards were told to keep their eyes open for a possible escape.
  6. Idiomsmake eyes at, [make + ~-s + at + object] to glance at in a flirting way;
  7. Idiomssee eye to eye, to agree:We finally see eye to eye after our misunderstanding.

WordReference Random House Learner's Dictionary of American English © 2019
sight /saɪt/USA pronunciation   n. 
  1. Physiology the power or ability of seeing;
    vision:[uncountable]suffering from a gradual loss of sight.
  2. the act or fact of seeing;
    a view or glimpse:[countable]a gruesome sight.
  3. one's range of vision:[uncountable]Don't let them out of your sight.
  4. something seen or worth seeing;
    a spectacle:[countable]to see all the sights of London.
  5. Informal Terms a person or thing unusual, shocking, or distressing to see:[countable;  usually singular;+ ~]He was quite a sight after the brawl.
  6. Slang Terms[Chiefly Dialect.]a great deal:[countable;  singular;+ ~]It's a sight better to work than to starve.
  7. Surveying, Optics a viewing device, as on a firearm, for aiding the eye in aiming:[countable;  often: plural]The assassin had the target lined up in his sights.

  1. to glimpse, notice, or observe:[+ object]to sight a ship to the north.
  2. to direct or aim (a firearm or the like) by a sight or sights: [no object]to sight and fire with one quick movement.[+ object]to sight the gun.
  1. Idiomsat first sight, [uncountable] after only one brief glimpse:When they met it was love at first sight.
  2. Idiomsat sight, [uncountable]
    • immediately upon seeing:to translate the document at sight.
    • Businesson presentation:a check payable at sight.
  3. by a long sight, [uncountable;  usually with a negative word or phrase] to a great or extreme degree:You haven't finished this book by a long sight.
  4. Idiomscatch sight of, [+ object] to get a quick view:They caught sight of him racing away in the crowd.
  5. know by sight, [know + object + by + ~] to know or recognize (a person or thing seen previously):I know him by sight, but I've never spoken to him.
  6. lose sight of, [+ object] to fail to keep in mind:Let's not lose sight of our main goal, even though we may disagree on how to get there.
  7. Idiomson sight, [uncountable] immediately upon seeing:The police are ordered to shoot him on sight.
  8. Idiomsout of sight, [uncountable]
    • beyond one's range of vision:She drove away and slowly faded out of sight.
    • [Informal.]too much;
      exceedingly high:The price is out of sight.
    • [Slang.](often used as an interjection) fantastic;
      marvelous:The party was out of sight.
  9. Idiomssight for sore eyes, [uncountable] someone or something whose appearance is a reason for gladness:The airplane bringing the food was a sight for sore eyes to the drought victims.
  10. Idiomssight unseen, without previous examination:We bought it sight unseen.

WordReference Random House Unabridged Dictionary of American English © 2019
eye  (ī),USA pronunciation n., pl.  eyes,  (Archaic) ey•en  or eyne;
 v.,  eyed, ey•ing  or eye•ing. 

  1. Anatomythe organ of sight, in vertebrates typically one of a pair of spherical bodies contained in an orbit of the skull and in humans appearing externally as a dense, white, curved membrane, or sclera, surrounding a circular, colored portion, or iris, that is covered by a clear, curved membrane, or cornea, and in the center of which is an opening, or pupil, through which light passes to the retina.
  2. Anatomythe aggregate of structures situated within or near the orbit that assist, support, or protect the eye.
  3. Anatomythis organ with respect to the color of the iris:blue eyes.
  4. Anatomythe region surrounding the eye:a black eye; puffy eyes.
  5. sight;
    vision:a sharp eye.
  6. the power of seeing;
    appreciative or discriminating visual perception:the eye of an artist.
  7. a look, glance, or gaze:to cast one's eye at a beautiful necklace.
  8. an attentive look, close observation, or watch:to be under the eye of a guard.
  9. regard, view, aim, or intention:to have an eye to one's own advantage.
  10. a manner or way of looking at a thing;
    opinion:in the eyes of the law.
  11. a center of light, intelligence, influence, etc.
  12. Clothingsomething resembling or suggesting the eye in appearance, shape, etc., as the opening in the lens of a camera, a peephole, or a buttonhole.
  13. [Bot.]
    • Botanythe bud of a potato, Jerusalem artichoke, etc.
    • Botanya small, contrastingly colored part at the center of a flower.
  14. Sportthe central spot of a target;
  15. Fooda choice center cut of meat:an eye of round; the eye of the rib.
  16. Birdsone of the round spots on the tail feathers of a peacock.
  17. Clothingthe hole in a needle.
  18. a hole made in a thing for the insertion of some object, as the handle of a tool:the eye of an ax.
  19. a metal or other ring through which something, as a rope or rod, is passed.
  20. Clothingthe loop into which a hook is inserted.
  21. Electronicsa photoelectric cell or similar device used to perform a function analogous to visual inspection.
  22. Buildinga ring on the end of a tension member, as an eye bar or eye bolt, for connection with another member.
  23. Fooda hole formed during the maturation of cheese, esp. Emmenthaler or Gruyère.
  24. Textilesa loop worked at the end of a rope.
  25. Meteorologythe approximately circular region of relatively light winds and fair weather found at the center of a severe tropical cyclone.
  26. Nautical, Naval Termseyes, the extreme forward part of the upper deck at the bow of a vessel.
  27. Nautical, Naval Terms, Meteorologythe precise direction from which a wind is blowing.
  28. Idiomsan eye for an eye, repayment in kind, as revenge for an injustice.
  29. Idiomsbe all eyes, to give all one's attention to something;
    look intently.
  30. Idiomscatch someone's eye, to draw or attract someone's attention:to catch the waiter's eye.
  31. Idiomsgive (someone) the eye, [Informal.]to look fixedly at (another person), esp. with obvious admiration;
    ogle:She ignored the men who were giving her the eye.
  32. Idiomshave an eye for, to have the ability to appreciate distinctions in;
    be discerning or perceptive about:She has an eye for antique furniture.
  33. Idiomshave eyes only for: 
    • to want no other person or thing but:She was always surrounded by admirers, but she had eyes only for Harry.
    • to see, or view, or desire to see only. Also,  only have eyes for. 
  34. in a pig's eye, [Slang.]absolutely notnb;
    dw d never:In a pig's eye I will!
  35. Idiomskeep an eye on, to watch over attentively:Please keep an eye on my plants while I'm away.
  36. Idiomskeep an eye out for, to be vigilant in looking or watching for:The announcer told his listeners to keep an eye out for the escaped criminal.
  37. Idiomskeep one's eye on the ball, to remain attentive;
    be especially alert.
  38. Idiomskeep one's eyes open, to be especially alert or observant.
  39. lay, clap, or  set eyes on, [Informal.]to catch sight of;
    see:They had never laid eyes on such a big car before.
  40. Idiomsmake eyes at, to gaze flirtatiously or amorously at.
  41. my eye! [Informal.](a mild exclamation of contradiction or surprise):He says he wasn't told about this? My eye!
  42. Idiomsopen one's eyes, to bring someone to a realization of the truth or of something previously unknown:A trip through Asia opened his eyes to the conditions under which millions had to live.
  43. British Terms, Idiomspick the eyes out, [Australia and New Zealand.]to select the best parts or items.
  44. Idiomsrun one's eye over, to glance briefly at;
    examine hastily.
  45. Idiomssee eye to eye, to have exactly the same opinion;
    agree:They have never been able to see eye to eye on politics.
  46. Idiomssee with half an eye, to see or realize immediately or with ease:Anyone can see with half an eye that the plan is doomed to fail.
  47. Idiomsshut one's eyes to, to refuse to see or consider;
    disregard:We can no longer shut our eyes to the gravity of the situation.
  48. Idiomssight for sore eyes, a welcome sight;
    a pleasant surprise:After our many days in the desert, the wretched village was a sight for sore eyes.
  49. Idiomswith an eye to, with a plan or purpose of:with an eye to one's future.
  50. Idiomswith one's eyes open, aware of the inherent or potential risks:She signed the papers with her eyes open.

  1. to fix the eyes upon;
    view:to eye the wonders of nature.
  2. to observe or watch narrowly:She eyed the two strangers with suspicion.
  3. to make an eye in:to eye a needle.

  1. [Obs.]to appear to the eye.
eyea•ble, adj. 
eyelike′, adj. 
eyer, n. 
  • bef. 900; Middle English eie, ie, Old English ēge, variant of ēage; cognate with German Auge; akin to Latin oculus, Greek ó̄ps, Sanskrit akṣi

WordReference Random House Unabridged Dictionary of American English © 2019
sight  (sīt),USA pronunciation n. 
  1. Physiologythe power or faculty of seeing;
    perception of objects by use of the eyes;
  2. an act, fact, or instance of seeing.
  3. one's range of vision on some specific occasion:Land is in sight.
  4. a view;
  5. mental perception or regard;
  6. something seen or worth seeing;
    spectacle:the sights of London.
  7. Informal Termssomething unusual, surprising, shocking, or distressing:They were a sight after the fight.
  8. Communications
    • Businesspresentation of a bill of exchange:a draft payable at two months after sight.
    • Businessa showing of goods, esp. gems, held periodically for wholesalers.
  9. Slang Terms[Older Use.]a multitude;
    great deal:It's a sight better to work than to starve.
  10. Surveyingan observation taken with a surveying, navigating, or other instrument to ascertain an exact position or direction.
  11. Surveying, Opticsany of various mechanical or optical viewing devices, as on a firearm or surveying instrument, for aiding the eye in aiming.
  12. [Obs.]skill;
  13. at first sight, at the first glimpse;
    at once:It was love at first sight.
  14. at sight: 
    • immediately upon seeing, esp. without referring elsewhere for assurance, further information, etc.:to translate something at sight.
    • Business[Com.]on presentation:a draft payable at sight.
  15. catch sight of, to get a glimpse of;
    espy:We caught sight of the lake below.
  16. know by sight, to recognize (a person or thing) seen previously:I know him by sight, but I know nothing about him.
  17. Informal Termsnot by a long sight, definitely not:Is that all? Not by a long sight.
  18. on or  upon sight, immediately upon seeing:to shoot him on sight; to recognize someone on sight.
  19. out of sight: 
    • beyond one's range of vision.
    • [Informal.]beyond reason;
      exceedingly high:The price is out of sight.
    • [Slang.](often used interjectionally) fantastic;
      marvelous:a ceremony so glamorous it was out of sight.
  20. sight for sore eyes, someone or something whose appearance on the scene is cause for relief or gladness.
  21. sight unseen, without previous examination:to buy something sight unseen.

  1. to see, glimpse, notice, or observe:to sight a ship to the north.
  2. Surveyingto take a sight or observation of (a stake, coastline, etc.), esp. with surveying or navigating instruments.
  3. to direct or aim by a sight or sights, as a firearm.
  4. to provide with sights or adjust the sights of, as a gun.

  1. to aim or observe through a sight.
  2. to look carefully in a certain direction.
sighta•ble, adj. 
sighter, n. 
  • bef. 950; Middle English (noun, nominal); Old English sihth (more often gesihth, gesiht; cognate with German Gesicht face; compare y-), derivative of sēon to see1; see -th1

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