What is "internuncio"

Internuncio \In`ter*nun"ci*o\, n.; pl. Internuncios. [L. internuntius; inter between + nuntius, nuncius, messenger: cf. It. internunzio. See Nuncio.]

1. A messenger between two parties.
   --Johnson.

2. A representative, or charg['e] d'affaires, of the pope at a foreign court or seat of government, ranking next below a nuncio.

   Note: This title was formerly given also to the Austrian envoy at Constantinople.

n. 1 A diplomatic representative of the Pope ranking below a nuncio 2 A messenger or go-between

n. (Roman Catholic Church) a diplomatic representative of the Pope ranking below a nuncio