1. A congregation of cardinals, established in 1622, charged with the management of missions. The college of the Propaganda, instituted by Urban VIII. (1623-1644) to educate priests for missions in all parts of the world.
2. Hence, any organization or plan for spreading a particular doctrine or a system of principles.
Origin: Abbrev. Fr. L. De propaganda fide: cf. F. Propagande. See Propagate.