sinus aestuum

13 LETTERS · STARTS WITH S

sinus aestuum is a valid 13-letter word worth 14 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1I1N1U1S1A1E1S1T1U1U1M3

1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 3 =14 PTS

DOUBLE WORD → 28TRIPLE WORD → 42

MEANING

What does sinus aestuum mean?