oratorial /or-ə-tōˈri-əl or -töˈ/ adjective

Of an orator, oratory, or an oratory

oratoˈrian adjective

1. Of an oratory
2. (with cap) of an Oratory

1. A priest of an oratory
2. (with cap) a member of an Oratory

oratorical /-torˈ/ adjective

1. Characteristic of an orator
2. Addicted to oratory
3. Rhetorical
4. Relating to or savouring of oratory

oratorˈically adverb

orˈatory noun

1. The art of the orator
2. Rhetoric
3. Rhetorical utterances or expression
4. A place for private prayer
5. A lectern for praying at
6. A place of public speaking (obsolete)
7. (with cap) one of various congregations in the Roman Catholic Church, esp the Fathers of the Oratory, established by St Philip Neri (1515–95)
8. (with cap) a church of the Oratorians

orˈatress or oratrix /or-āˈtriks or orˈə-triks/ noun

A female orator

oratorio /or-ə-tōˈri-ō or -töˈ/

1. A story, usu biblical, set to music, with soloists, chorus, and full orchestra but without scenery, costumes or acting
2. The form of such a composition

oratoˈrial adjective