Definitions
There are 2 meanings of the phrase
Eastern Church.
Eastern Church - as a noun
Derived from the byzantine church and adhering to byzantine rites
Synonyms (Exact Relations)
eastern orthodoxeastern orthodox churchorthodox catholic churchorthodox churchHypernyms (Closely Related)
catholic churchHyponyms (Broadly Related)
The catholic church as it existed in the byzantine empire
Synonyms (Exact Relations)
byzantine church