wink

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To close and open the eyelid of one eye deliberately, as to convey a message, signal, or suggestion.
2. v. To close and open the eyelids of both eyes; blink. See Synonyms at blink.
3. v. To shine fitfully; twinkle: Harbor lights were winking in the distance.
4. v. To close and open (an eye or the eyes) rapidly.
5. v. To signal or express by winking.
6. n. The act of winking.
7. n. A signal or hint conveyed by winking.
8. n. The very brief time required for a wink; an instant.
9. n. A quick closing and opening of the eyelids; a blink.
10. n. A gleam or twinkle.
11. n. Informal A brief period of sleep.
12. wink at To pretend not to see: winked at corruption in the ministry.
13. wink out To come to a close; end.

Century Dictionary and Cyclopedia

1. To close and open the eyelids quickly; of the eyes, to be opened and shut quickly; blink; nictitate.
2. To shut the eyes; close the eyelids so as not to see.
3. To be wilfully blind or ignorant; avoid notice or recognition, as of an annoying or troublesome fact; ignore; connive: often followed by at.
4. To close the eyes in sleep; sleep.
5. To convey a hint, wish, insinuation, etc., by a quick shutting and opening usually of one eye.
6. To twinkle; shine with quick, irregular gleams; flash; sparkle.
7. To close and open quickly: as, to wink the eyelids or the eyes.
8. To move, force, or remove by winking: as, to wink back one's tears.
9. n. A quick shutting and opening of the eyelids; especially, such a movement of one eye made as a signal; hence, a hint, insinuation, command, etc., conveyed by or as by winking.
10. n. A nap; sleep.
11. n. The time required for winking once; a very short space of time; a moment: referring usually to sleep.
12. n. A twinkle; a sparkle; a flash.
13. n. A periwinkle. See periwinkle, and first quotation under wash, n., 13.

Wiktionary

1. v. obsolete, intransitive To close one's eyes.
2. v. archaic, intransitive To turn a blind eye.
3. v. intransitive To blink with only one eye as a message, signal, or suggestion.
4. v. intransitive To twinkle.
5. v. transitive To send an indication of agreement by winking.
6. n. An act of winking (a blinking of only one eye), or a message sent by winking.
7. n. A brief time; an instant.
8. n. A brief period of sleep; especially forty winks.
9. n. A disc used in the game of tiddlywinks.

GNU Webster's 1913

1. v. obsolete To nod; to sleep; to nap.
2. v. To shut the eyes quickly; to close the eyelids with a quick motion.
3. v. To close and open the eyelids quickly; to nictitate; to blink.
4. v. To give a hint by a motion of the eyelids, often those of one eye only.
5. v. To avoid taking notice, as if by shutting the eyes; to connive at anything; to be tolerant; -- generally with at.
6. v. To be dim and flicker.
7. v. colloq. To cause (the eyes) to wink.
8. n. The act of closing, or closing and opening, the eyelids quickly; hence, the time necessary for such an act; a moment.
9. n. A hint given by shutting the eye with a significant cast.

WordNet 3.0

1. v. gleam or glow intermittently
2. v. force to go away by blinking
3. n. a reflex that closes and opens the eyes rapidly
4. v. briefly shut the eyes
5. v. signal by winking
6. n. a very short time (as the time it takes the eye to blink or the heart to beat)
7. n. closing one eye quickly as a signal