Baptisteries
Meaning
of Baptistry
Source: Webster's dictionaryExamples
Baptisteries commonly adopted centralised plan forms derived from funerary chapels; and are invariably separate from the congregational basilica.
Cathedral Basilica of Saint Louis Cathedral Basilica of Saints Peter and Paul in Philadelphia Baptisteries The baptistery in the Dura church was about 1m square and 1m deep; baptismal candidates could stand in it, but could not be immersed.
Baptisteries often occur in Italy as a free standing structure, associated with a cathedral.