series winding

14 LETTERS · STARTS WITH S

series winding is a valid 14-letter word worth 18 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1E1R1I1E1S1W4I1N1D2I1N1G2

1 + 1 + 1 + 1 + 1 + 1 + 0 + 4 + 1 + 1 + 2 + 1 + 1 + 2 =18 PTS

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does series winding mean?