noun, plural nun·ci·os.
- a diplomatic representative of the pope at a foreign court or capital: equal in status to an ambassador.
noun plural -cios
- RC Church a diplomatic representative of the Holy See, ranking above an internuncio and esp having ambassadorial status
papal envoy, 1520s, from older Italian nuncio (now nunzio), from Latin nuntius “messenger,” from PIE root *neu- “to shout” (cf. Greek neuo “to nod, beckon,” Old Irish noid “make known”).