spur gearing

12 LETTERS · STARTS WITH S

spur gearing is a valid 12-letter word worth 15 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1P3U1R1G2E1A1R1I1N1G2

1 + 3 + 1 + 1 + 0 + 2 + 1 + 1 + 1 + 1 + 1 + 2 =15 PTS

DOUBLE WORD → 30TRIPLE WORD → 45

MEANING

What does spur gearing mean?