gravity plane

13 LETTERS · STARTS WITH G

gravity plane is a valid 13-letter word worth 21 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

G2R1A1V4I1T1Y4P3L1A1N1E1

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

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does gravity plane mean?