anatomical sphincter

NOUN
20 LETTERS · STARTS WITH A

anatomical sphincter is a valid 20-letter word worth 30 points in Scrabble and 36 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1N1A1T1O1M3I1C3A1L1S1P3H4I1N1C3T1E1R1
1 + 1 + 1 + 1 + 1 + 3 + 1 + 3 + 1 + 1 + 0 + 1 + 3 + 4 + 1 + 1 + 3 + 1 + 1 + 1 =30 PTS
DOUBLE WORD → 60TRIPLE WORD → 90
MEANING

What does anatomical sphincter mean?