Is “Retsina” a Scrabble word?
Yes
RETSINA
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 Retsina
/ɹɛtˈsiːnə/
noun
1.A Greek resinated white or rosé wine of a sort that has been produced for at least 2700 years.