Definition of Oratorian in US English:

Oratorian

noun

  • (in the Roman Catholic Church) a member of a society of priests without vows, such as the Oratory of St. Philip Neri.

    ‘Oratorians will pray together twice a day’

adjective

  • Relating to or characteristic of a member of a society of priests without vows, such as the Oratory of St. Philip Neri.

    ‘he wears his Oratorian collar and cassock’

Pronunciation

Oratorian

/ˌɔrəˈtɔriən//ˌôrəˈtôrēən/