NOUN | body | nictitating membrane, third eyelid | a protective fold of skin in the eyes of reptiles and birds and some mammals |
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Meaning | A protective fold of skin in the eyes of reptiles and birds and some mammals. | |
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Synonym | third eyelid | |
Part of | eye, oculus, optic | The organ of sight |
Narrower | haw | The nictitating membrane of a horse |
Broader | protective fold | A flap of tissue that protects what it covers |
Spanish | membrana nictitante | |
Catalan | membrana nictitant |
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