Definition of Vatican Council in US English:

Vatican Council

noun

  • Each of two general councils of the Roman Catholic Church, held in 1869–70 and 1962–65. The first (Vatican I) proclaimed the infallibility of the Pope when speaking ex cathedra; the second (Vatican II) made numerous reforms, abandoning the universal Latin liturgy and acknowledging ecumenism.

Pronunciation

Vatican Council

/ˈvadəkən ˈkounsəl/