blink, eye blink, blinking, wink, winking, nictitation, nictation

a reflex that closes and opens the eyes rapidly

• palpebration — repeated blinking or winking (especially if uncontrolled and persistent)

• reflex, instinctive reflex, innate reflex, inborn reflex, unconditioned reflex, physiological reaction — an automatic instinctive unlearned reaction to a stimulus