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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.


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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It is the third largest Christian denomination after Catholicism and the Eastern Orthodox Church, giving its leaders a huge platform when speaking about issues such as climate change, human rights, or efforts for global peace.

From BBC • Mar. 2, 2026

He singled out the diminishing influence of the Russian-backed Orthodox Church in Ukraine.

From The Wall Street Journal • Nov. 28, 2025

Labib had to host a church service as Father of St. George Coptic Orthodox Church in Bellflower, so after driving the boys to their morning matches, he planned for Sabet’s family to drive them home.

From Los Angeles Times • Aug. 29, 2025

Elissa Bjeletich Davis, a former Protestant who now belongs to the Greek Orthodox Church in Austin, is a Sunday school teacher and has her own podcast.

From BBC • May 24, 2025

On one of the first warm days, Omer and Liyana licked pistachio ice cream cones as they sat on an iron bench near the Russian Orthodox Church with its onion domes.

From "Habibi" by Naomi Shihab Nye

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