shadow line

11 LETTERS · STARTS WITH S

shadow line is a valid 11-letter word worth 17 points in Scrabble and 18 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1H4A1D2O1W4L1I1N1E1

1 + 4 + 1 + 2 + 1 + 4 + 0 + 1 + 1 + 1 + 1 =17 PTS

DOUBLE WORD → 34TRIPLE WORD → 51

MEANING

What does shadow line mean?