stratocumulus castellatus

25 LETTERS · STARTS WITH S

stratocumulus castellatus is a valid 25-letter word worth 30 points in Scrabble and 40 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1T1R1A1T1O1C3U1M3U1L1U1S1C3A1S1T1E1L1L1A1T1U1S1

1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 3 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =30 PTS

DOUBLE WORD → 60TRIPLE WORD → 90

MEANING

What does stratocumulus castellatus mean?