screw gearing

13 LETTERS · STARTS WITH S

screw gearing is a valid 13-letter word worth 19 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1C3R1E1W4G2E1A1R1I1N1G2

1 + 3 + 1 + 1 + 4 + 0 + 2 + 1 + 1 + 1 + 1 + 1 + 2 =19 PTS

DOUBLE WORD → 38TRIPLE WORD → 57

MEANING

What does screw gearing mean?