(anatomy) eye / (on plants, esp. potatoes, grapevines and fruit trees) germ, bud; eye (potato) / (on dice) dot, pip, spot / (of a cyclonic storm) eye / (on the surface of liquids, e.g. soup) drop or globule of grease or fat

eye for an eye

black eye

eye for an eye, a tooth for a tooth

to eye (to look at something as if with the intent to do something with that thing) / to consider doing something

(idiomatic, transitive) to keep an eye on

to catch someone's eye

to catch someone's eye

(colloquial) the pupil / (colloquial, dated) the not white parts of the eye; the pupil and the iris

with the naked eye