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third eyelid

NOUN
  1. a protective fold of skin in the eyes of reptiles and birds and some mammals

How To Use third eyelid In A Sentence

  • The fledgling's breathing and heartbeat slowed, taut muscles went slack, and his third eyelids slid halfway across his bright gaze.
  • It has developed an oily outer coat and a fleecy undercoat, and eyes that shut tight to keep out water and infection with no haw, the third eyelid seen in the St. Bernard.
  • The fledgling's breathing and heartbeat slowed, taut muscles went slack, and his third eyelids slid halfway across his bright gaze.
  • In addition to these it is defended by a third eyelid, called the nictitating eyelid, which is similar to that one which may be seen (if watched for) so frequently and rapidly to cross the eye of birds, e.g. of a hawk. The Common Frog
  • If you watch a cat blink, you will see a white membrane cross its eye - that is called its third eyelid.
  • Moreover, because a camel's third eyelid allows the animal to see while protecting its eyes from desert sandstorms, camels could find their way even in the Northwest's equally blinding snowstorms.
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