shell money

11 LETTERS · STARTS WITH S

shell money is a valid 11-letter word worth 18 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1H4E1L1L1M3O1N1E1Y4

1 + 4 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 4 =18 PTS

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does shell money mean?