christendom

noun
UK /ˈkrɪs.ən.dəm/
US /ˈkrɪs.ən.dəm/

All the countries and people in the world who follow the Christian religion.

In the Middle Ages, Christendom stretched across much of Europe.


OTHER MEANINGS

2. The Christian faith or belief system as a whole.

Missionaries spread Christendom to distant lands.

3. The part of the world where Christianity is the main religion.

Trade routes linked Christendom with the East.

4. The community of all baptized Christians.

Leaders gathered to discuss matters affecting all of Christendom.