(Roman Catholicism) The Oratory of Saint Philip Neri, a society of priests and lay brothers founded in 1575.

Alternative letter-case form of oratory: a church belonging to the Oratory.

A private chapel or prayer room.

A Roman Catholic chapel; a building for public or private worship that is not a parish church.

(specifically) A Catholic church belonging to the Oratory of Saint Philip Neri.

The art of public speaking, especially in a formal, expressive, or forceful manner.

Eloquence; the quality of artistry and persuasiveness in speech or writing.