from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. an act or instance of winking or blinking; a wink, a blink
from the GNU version of the Collaborative International Dictionary of English
- n. The act of winking; nictitation.
from The Century Dictionary and Cyclopedia
- n. Same as nictitation.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a reflex that closes and opens the eyes rapidly
The membrane of nictation is an accessory eyelid common to all domestic animals, the purpose of which is to remove foreign substances from the eye in much the same manner as we use the hand.