Is “Gyron” a Scrabble word?
Yes
GYRON
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 Gyron
noun
1.A triangular form having an angle at the fess point and the opposite side at the edge of the escutcheon.