adder's-mouth

13 LETTERS · STARTS WITH A

adder's-mouth is a valid 13-letter word worth 18 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1D2D2E1R1'0S1-0M3O1U1T1H4
1 + 2 + 2 + 1 + 1 + 0 + 1 + 0 + 3 + 1 + 1 + 1 + 4 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does adder's-mouth mean?

1