Is “Nuncio” a Scrabble word?
Yes
NUNCIO
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 Nuncio
/ˈnʌnʃiˌoʊ/
noun
1.The ecclesiastic title of a permanent diplomatic representative of the Roman Catholic Church to a sovereign state or international organization, who is accorded a rank equivalent to an accredited ambassador, and may also be given additional privileges including recognition as Dean in a country's diplomatic corps.
2.(by extension) One who bears a message; a messenger.
3.Any member of any Sejm of the Kingdom of Poland, Polish–Lithuanian Commonwealth, Galicia (of the Austrian Partition), Duchy of Warsaw, Congress Poland, or Grand Duchy of Posen.