eye

1a :  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 skullb :  all the visible structures within and surrounding the orbit and including eyelids, eyelashes, and eyebrowsc (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 eyed :  look, glance cast an eager eyee (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 eyef :  point of view, judgment beauty is in the eye of the beholder —often used in plural an offender in the eyes of the law

2 :  something having an appearance suggestive of an eye: such asa :  the hole through the head of a needleb :  a usually circular marking (as on a peacock's tail)c :  loop; especially :  a loop or catch to receive a hookd :  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 precipitationf :  the center of a flower especially when differently colored or marked; specifically :  the disk of a compositeg (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 meath :  a device (such as a photoelectric cell) that functions in a manner analogous to human vision

3 :  something central :  center the eye of the problem — Norman Mailer

4 :  the direction from which the wind is blowing