Is “Floccus” a Scrabble word?
Yes
FLOCCUS
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 Floccus
noun
1.A cloud species which consists of rounded tufts of cloud, often formed by dissipation from larger cloud species. Associated with cirrus, cirrocumulus, altocumulus, and stratocumulus genera.
2.A flock or tuft of wool or wool-like hairs; the downy plumage of unfledged birds.