D defs.my
Entry 1 sense Webster, 1913

Baptistery

/băp'-təs-trē/ · Bap·tis·ter·y · IPA /bˈæptəstriː/
01 n. In early times, a separate building, usually polygonal, used for baptismal services. Small churches were often changed into baptisteries w…
pl. Baptisteries, Baptistries
  1. 1.
    In early times, a separate building, usually polygonal, used for baptismal services. Small churches were often changed into baptisteries when larger churches were built near.(Arch.)