half shell

10 LETTERS · STARTS WITH H

half shell is a valid 10-letter word worth 18 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

H4A1L1F4S1H4E1L1L1

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

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does half shell mean?