setting gauge

13 LETTERS · STARTS WITH S

setting gauge is a valid 13-letter word worth 15 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1E1T1T1I1N1G2G2A1U1G2E1

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

DOUBLE WORD → 30TRIPLE WORD → 45

MEANING

What does setting gauge mean?