Definition of third eyelid Third eyelid
third eye•lid
We found 1 definitions of third eyelid from 1 different sources.
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What does third eyelid mean?
WordNet
Noun |
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| third eyelid - a protective fold of skin in the eyes of reptiles and birds and some mammals | ||
| nictitating membrane | ||
| protective fold a flap of tissue that protects what it covers | ||
| oculus, optic, eye a small hole or loop (as in a needle); "the thread wouldn't go through the eye" | ||
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