spike shell

11 LETTERS · STARTS WITH S

spike shell is a valid 11-letter word worth 19 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1P3I1K5E1S1H4E1L1L1

1 + 3 + 1 + 5 + 1 + 0 + 1 + 4 + 1 + 1 + 1 =19 PTS

DOUBLE WORD → 38TRIPLE WORD → 57

MEANING

What does spike shell mean?