Medical Definition of Spasm, nictitating
Spasm, nictitating: Spasm of the eyelid with continuous winking.
To nictitiate is to wink. "Nictitate" and the older verb "nictate" both come from the Latin word for winking, "nictare."Source: MedTerms™ Medical Dictionary
Last Editorial Review: 7/1/2016
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