baptistery

[bap-tuh-stree, -tis-tuh-ree]
noun, plural bap·tis·ter·ies.
  1. a building or a part of a church in which baptism is administered.
  2. (especially in Baptist churches) a tank for administering baptism by immersion.

Origin of baptistery

1425–75; < Late Latin baptistērium < Greek baptistḗrion bathing place (see Baptist, -ery); replacing late Middle English baptizatory < Medieval Latin baptizātōrium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for baptistery

Historical Examples of baptistery