| / English Dictionary |
NICTITATING MEMBRANE
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A protective fold of skin in the eyes of reptiles and birds and some mammals
Synonyms:
nictitating membrane; third eyelid
Classified under:
Hypernyms ("nictitating membrane" is a kind of...):
protective fold (a flap of tissue that protects what it covers)
Hyponyms (each of the following is a kind of "nictitating membrane"):
haw (the nictitating membrane of a horse)
Holonyms ("nictitating membrane" is a part of...):
eye; oculus; optic (the organ of sight)
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