Orthodox Church

American  

noun

1. the Christian church comprising the local and national Eastern churches that are in communion with the ecumenical patriarch of Constantinople; Byzantine Church.

2. (originally) the Christian church of those countries formerly comprising the Eastern Roman Empire and of countries evangelized from it; Greek Orthodox Church.

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Orthodox Church British  

noun

1. Also called: Byzantine Church.   Eastern Orthodox Church.   Greek Orthodox Church.  the collective body of those Eastern Churches that were separated from the western Church in the 11th century and are in communion with the Greek patriarch of Constantinople

2. any of these Churches

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Example Sentences

See Examples For:

Orthodox Church

The April killings sparked an outcry from rights groups and some leading Ethiopian figures, including the influential head of the Ethiopian Orthodox Church.

From BBC ● Jul. 31, 2026

The Kyiv-Pechersk Lavra, an 11th-century monastery with emblematic golden domes, is venerated by both the Russian and Ukrainian wings of the Orthodox Church as one of their most important spiritual centres.

From Barron's ● Jun. 16, 2026

On Monday, the leader of the Orthodox Church of Ukraine, Metropolitan Epifaniy, called for prayers for the salvation of the cathedral, calling the damage “another Russian crime against humanity, against history, against Christianity.”

From The Wall Street Journal ● Jun. 15, 2026

He was later welcomed to St George's Cathedral in Istanbul by the head of the Eastern Orthodox Church, Patriarch Bartholomew.

From BBC ● Nov. 29, 2025

Father Mike, her son-in-law and my very own uncle, was by this time back from his years in Greece and serving—in an assistant capacity—at Assumption Greek Orthodox Church.

From "Middlesex: A Novel" by Jeffrey Eugenides