church door
/ˌtʃəːtʃ ˈdɔː/ /ˈtʃəːtʃ dɔː/noun
The outer door of a church, formerly as the prescribed or traditional place for celebrating marriage, baptism, etc., doing penance, posting notices, and carrying out various other public acts.
Origin
Old English; earliest use found in Laws: Grið. From church + door.