nuncio
Concise Oxford English Dictionary © 2008 Oxford University Press:
nuncio /ˈnʌnsɪəʊ, ˈnʌnʃɪəʊ/
▶noun (pl. nuncios) (in the Roman Catholic Church) a papal ambassador to a foreign government or court.
– derivatives
nunciature noun.
nunciature noun.
– origin C16: from Ital., from L. nuntius ‘messenger’.
'nuncio' also found in these Oxford entries:

