nictitating membrane

NOUN
20 LETTERS · 5 SYLLABLES · STARTS WITH N

nictitating membrane is a valid 20-letter word worth 28 points in Scrabble and 36 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
N1I1C3T1I1T1A1T1I1N1G2M3E1M3B3R1A1N1E1
1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 2 + 0 + 3 + 1 + 3 + 3 + 1 + 1 + 1 + 1 =28 PTS
DOUBLE WORD → 56TRIPLE WORD → 84
MEANING

What does nictitating membrane mean?

NOUN · 1 SENSE
1

A protective fold of skin in the eyes of reptiles and birds and some mammals.

SYNONYMS
NARROWER