shading coil

12 LETTERS · STARTS WITH S

shading coil is a valid 12-letter word worth 18 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1H4A1D2I1N1G2C3O1I1L1
1 + 4 + 1 + 2 + 1 + 1 + 2 + 0 + 3 + 1 + 1 + 1 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does shading coil mean?

1