Nictitate

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Nictitate \Nic"ti*tate\, v. i. [See {Nictate}.]
     To wink; to nictate.
     [1913 Webster]
  
     {Nictitating membrane} (Anat.), a thin membrane, 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.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  nictitate
       v : briefly shut the eyes; "The TV announcer never seems to
           blink" [syn: {blink}, {wink}, {nictate}]