What is the meaning of Wink?

To close one's eyes in sleep.

To close one's eyes.

Usually followed by at: to look the other way, to turn a blind eye.

To close one's eyes quickly and involuntarily; to blink.

To blink with only one eye as a message, signal, or suggestion, usually with an implication of conspiracy. (When transitive, the object may be the eye being winked, or the message being conveyed.)

To gleam fitfully or intermitently; to twinkle; to flicker.

An act of winking (a blinking of only one eye), or a message sent by winking.

A brief period of sleep; especially forty winks.

A brief time; an instant.

The smallest possible amount.

A subtle allusion.

Synonym of tiddlywink (small disc used in the game of tiddlywinks)

Synonym of periwinkle

singular imperative of winken

first-person singular present of winken

Alternative form of wynken

Source: wiktionary.org