nictitate
Americanverb (used without object)
verb
Other Word Forms
- nictitant adjective
- nictitation noun
Etymology
Origin of nictitate
First recorded in 1815–25; from Medieval Latin nictitātus, past participle of nictitāre, frequentative of nictāre nictate
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Separately, the sclera, the eye’s outer layer, would most closely resemble those of horses and cows and include a nictitating membrane, the built-in goggles that make it possible to see underwater.
From New York Times
In her 2018 special “Elder Millennial,” she references a nictitating membrane, the translucent inner eyelid typically found in reptiles and birds.
From Los Angeles Times
A thin nictitating membrane covers their eyes to protect against sandstorms, and bushy eyebrows and a double row of extra-long lashes help to keep sand out.
From National Geographic
A cat has upper and lower eyelids that meet when the eye closes, along with a mysterious third eyelid—more properly called the palpebra tertia, also known as the nictitating membrane or “haw.”
From Scientific American
They shook, cleared water from their eyes with their nictitating membranes, and listened to the thunder boom.
From Literature
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.