mayn't

6 LETTERS · STARTS WITH M

mayn't is a valid 6-letter word worth 10 points in Scrabble and 11 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
M3A1Y4N1'0T1
3 + 1 + 4 + 1 + 0 + 1 =10 PTS
DOUBLE WORD → 20TRIPLE WORD → 30
MEANING

What does mayn't mean?

1