altocumulus castellanus

23 LETTERS · STARTS WITH A

altocumulus castellanus is a valid 23-letter word worth 28 points in Scrabble and 40 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

A1L1T1O1C3U1M3U1L1U1S1C3A1S1T1E1L1L1A1N1U1S1

1 + 1 + 1 + 1 + 3 + 1 + 3 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =28 PTS

DOUBLE WORD → 56TRIPLE WORD → 84

MEANING

What does altocumulus castellanus mean?