gravity clock

13 LETTERS · STARTS WITH G

gravity clock is a valid 13-letter word worth 27 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

G2R1A1V4I1T1Y4C3L1O1C3K5

2 + 1 + 1 + 4 + 1 + 1 + 4 + 0 + 3 + 1 + 1 + 3 + 5 =27 PTS

DOUBLE WORD → 54TRIPLE WORD → 81

MEANING

What does gravity clock mean?