Is “Gyri” a Scrabble word?
Yes
GYRI
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 Gyri
/ˈdʒaɪɹaɪ/
noun
1.A ridge or fold on the cerebral cortex.