wink

(noun) a very short time (as the time it takes the eye to blink or the heart to beat). Synonyms: blink of an eye, flash, heartbeat, instant, jiffy, split second, trice, twinkling, New York minute. Example: "If i had the chance i'd do it in a flash."

(noun) closing one eye quickly as a signal.

(noun) a reflex that closes and opens the eyes rapidly. Synonyms: blink, eye blink, blinking, winking, nictitation, nictation.

(verb) signal by winking. Example: "She winked at him."

(verb) gleam or glow intermittently. Synonyms: flash, blink, twinkle, winkle. Example: "The lights were flashing."

(verb) briefly shut the eyes. Synonyms: blink, nictitate, nictate. Example: "The tv announcer never seems to blink."

(verb) force to go away by blinking. Synonyms: blink, blink away. Example: "Blink away tears."