Is “Cornu” a Scrabble word?
Yes
CORNU
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 Cornu
noun
1.A horn, or anything shaped like or resembling a horn.