shell heap

10 LETTERS · STARTS WITH S

shell heap is a valid 10-letter word worth 17 points in Scrabble and 18 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1H4E1L1L1H4E1A1P3

1 + 4 + 1 + 1 + 1 + 0 + 4 + 1 + 1 + 3 =17 PTS

DOUBLE WORD → 34TRIPLE WORD → 51

MEANING

What does shell heap mean?