sidereal month

NOUN /saɪ'diriəl_mənθ/
14 LETTERS · 4 SYLLABLES · STARTS WITH S

sidereal month is a valid 14-letter word worth 19 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1I1D2E1R1E1A1L1M3O1N1T1H4
1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 4 =19 PTS
DOUBLE WORD → 38TRIPLE WORD → 57
MEANING

What does sidereal month mean?

NOUN · 1 SENSE
1

Period between successive conjunctions with a star, 27.322 days.