eye

noun, plural eyes, (Archaic) ey·en or eyne.

1. the 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. the aggregate of structures situated within or near the orbit that assist, support, or protect the eye.
3. this organ with respect to the color of the iris: blue eyes.
4. the 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; estimation; opinion: in the eyes of the law.
11. a center of light, intelligence, influence, etc.
12. something resembling or suggesting the eye in appearance, shape, etc., as the opening in the lens of a camera, a peephole, or a buttonhole.
13. Botany.
    1. the bud of a potato, Jerusalem artichoke, etc.
    2. a small, contrastingly colored part at the center of a flower.
14. the central spot of a target; bull’s-eye.
15. a choice center cut of meat: an eye of round; the eye of the rib.
16. one of the round spots on the tail feathers of a peacock.
17. the 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. the loop into which a hook is inserted.
21. Electronics. a photoelectric cell or similar device used to perform a function analogous to visual inspection.
22. Building Trades. a ring on the end of a tension member, as an eye bar or eye bolt, for connection with another member.
23. a hole formed during the maturation of cheese, especially Emmenthaler or Gruyère.
24. a loop worked at the end of a rope.
25. Meteorology. the approximately circular region of relatively light winds and fair weather found at the center of a severe tropical cyclone.
26. eyes, Nautical. the extreme forward part of the upper deck at the bow of a vessel.
27. Nautical. the precise direction from which a wind is blowing.