'Nictitation' definitions:

Definition of 'nictitation'

noun

A reflex that closes and opens the eyes rapidly [syn: blink, eye blink, blinking, wink, winking, nictitation, nictation]

Definition of 'Nictitation'

From: GCIDE

Nictitation \Nic`ti*ta"tion\, n. The act of winking. [1913 Webster]

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