Chalcedon

[kal-si-don, kal-seed-n]

noun

an ancient city in NW Asia Minor, on the Bosporus, opposite Byzantium.
Council of, the ecumenical council held there in a.d. 451.

Related formsChal·ce·do·ni·an

[kal-si-doh-nee-uh n] /ˌkæl sɪˈdoʊ ni ən/, adjective, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for chalcedon

Historical Examples of chalcedon

Having so arranged these matters, Pharnabazus proceeded at once to the rescue of Chalcedon.
Hellenica
Xenophon
Vows had been imposed on monks by the council of Chalcedon .
Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3
Various
No doubt these, too, are offending the champions of the Council of Chalcedon.
The Inside of the Cup, Complete
Winston Churchill
The ministers of death were despatched to Chalcedon (by Phocas).
Ruins of Ancient Cities (Vol. I of II)
Charles Bucke
This mountain was nearer to Chalcedon than that on which he had before resided.
The Lives of the Saints, Volume II (of 16): February
Sabine Baring-Gould