Meaning

• 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.

  "The film includes a wink to wartime rationing."

Meaning

• 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.)

  "He winked at me. She winked her eye. He winked his assent."

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