phase of the moon

NOUN
17 LETTERS · STARTS WITH P

phase of the moon is a valid 17-letter word worth 27 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3H4A1S1E1O1F4T1H4E1M3O1O1N1
3 + 4 + 1 + 1 + 1 + 0 + 1 + 4 + 0 + 1 + 4 + 1 + 0 + 3 + 1 + 1 + 1 =27 PTS
DOUBLE WORD → 54TRIPLE WORD → 81
MEANING

What does phase of the moon mean?

NOUN · 1 SENSE