shell transformer

17 LETTERS · STARTS WITH S

shell transformer is a valid 17-letter word worth 24 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1H4E1L1L1T1R1A1N1S1F4O1R1M3E1R1

1 + 4 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 4 + 1 + 1 + 3 + 1 + 1 =24 PTS

DOUBLE WORD → 48TRIPLE WORD → 72

MEANING

What does shell transformer mean?