cumulonimbus calvus

19 LETTERS · STARTS WITH C

cumulonimbus calvus is a valid 19-letter word worth 31 points in Scrabble and 44 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3U1M3U1L1O1N1I1M3B3U1S1C3A1L1V4U1S1

3 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 3 + 3 + 1 + 1 + 0 + 3 + 1 + 1 + 4 + 1 + 1 =31 PTS

DOUBLE WORD → 62TRIPLE WORD → 93

MEANING

What does cumulonimbus calvus mean?