nerve plexus

NOUN
12 LETTERS · STARTS WITH N

nerve plexus is a valid 12-letter word worth 23 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
N1E1R1V4E1P3L1E1X8U1S1
1 + 1 + 1 + 4 + 1 + 0 + 3 + 1 + 1 + 8 + 1 + 1 =23 PTS
DOUBLE WORD → 46TRIPLE WORD → 69
MEANING

What does nerve plexus mean?