'Missionary apostolic' definitions:

Definition of 'Missionary apostolic'

From: GCIDE

Missionary \Mis"sion*ary\, n.; pl. Missionaries. [Cf. F. missionnaire. See Mission, n.] One who is sent on a mission; especially, one sent to propagate religion. --Swift. [1913 Webster]
Missionary apostolic, a Roman Catholic missionary sent by commission from the pope. [1913 Webster]