sidereally

10 LETTERS · 5 SYLLABLES · STARTS WITH S

sidereally is a valid 10-letter word worth 14 points in Scrabble and 15 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1I1D2E1R1E1A1L1L1Y4

1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 1 + 4 =14 PTS

DOUBLE WORD → 28TRIPLE WORD → 42

MEANING

What does sidereally mean?