spring governor

15 LETTERS · STARTS WITH S

spring governor is a valid 15-letter word worth 21 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1P3R1I1N1G2G2O1V4E1R1N1O1R1

1 + 3 + 1 + 1 + 1 + 2 + 0 + 2 + 1 + 4 + 1 + 1 + 1 + 1 + 1 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does spring governor mean?