nictitate

Nic"ti*tate, v. i. Etym: [See Nictate.] Defn: To wink; to nictate. Nictitating membrance (Anat.), a thin membrance, found in many animals at the inner angle, or beneath the lower lid, of the eye, and capable of being drawn across the eyeball; the third eyelid; the haw.

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