from The American Heritage® Dictionary of the English Language, 4th Edition
- See Istanbul.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. Name of present-day Istanbul from 330-1930 CE. Previously known as Byzantium.
from the GNU version of the Collaborative International Dictionary of English
- proper n. the former capital of the Eastern Roman Empire; it was built on the site of ancient Byzantium, and the name was changed to Istanbul by the Turks.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the largest city and former capital of Turkey; rebuilt on the site of ancient Byzantium by Constantine I in the fourth century; renamed Constantinople by Constantine who made it the capital of the Byzantine Empire; now the seat of the Eastern Orthodox Church
- n. the second ecumenical council in 381 which added wording about the Holy Spirit to the Nicene Creed
- n. the fifth ecumenical council in 553 which held Origen's writings to be heretic
- n. the council in 869 that condemned Photius who had become the patriarch of Constantinople without approval from the Vatican, thereby precipitating the schism between the eastern and western churches
- n. the sixth ecumenical council in 680-681 which condemned Monothelitism by defining two wills in Christ, divine and human
From Ancient Greek Κωνσταντινούπολις (Kōnstantinoupolis, "Constantine’s city"), after Roman emperor Flavius Valerius Aurelius Constantinus (also known as Constantine I or Constantine the Great). (Wiktionary)