oratory
noun (1)
or·a·to·ry
| \ ˈȯr-ə-ˌtȯr-ē
, ˈär-\
, ˈär-\
plural oratories
Definition of oratory
(Entry 1 of 2)
1
: a place of prayer
especially
: a private or institutional chapel
The mansion contained an oratory for the family's private devotion.
2
capitalized
: an Oratorian congregation, house, or church