spotted adder

13 LETTERS · STARTS WITH S

spotted adder is a valid 13-letter word worth 17 points in Scrabble and 18 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1P3O1T1T1E1D2A1D2D2E1R1

1 + 3 + 1 + 1 + 1 + 1 + 2 + 0 + 1 + 2 + 2 + 1 + 1 =17 PTS

DOUBLE WORD → 34TRIPLE WORD → 51

MEANING

What does spotted adder mean?