noun
Christendom
KRIHSN-duhm
noun
1
The Christian world collectively; all Christians and Christian nations considered as a whole.
"Medieval historians wrote of threats facing all of Christendom."
How to Use Christendom
Learner’s notesIn plain EnglishThe Christian world as a whole, historically used to describe Christian civilisation.
When to use it
A somewhat old-fashioned, formal or historical term.
Word Forms
Christendoms plural
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Medieval historians wrote of threats facing all of _____.
Etymology
From Old English cristendōm, built from Christen plus the suffix -dom ("state, domain").