Is “Altocumuli” a Scrabble word?
Yes
ALTOCUMULI
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Altocumuli
noun
1.A fleecy cloud formation consisting of large whitish or greyish globular cloudlets with shaded portions, often grouped in flocks or rows. (Abbreviated Ac.)