Dictionary
Chal•ce•don
Pronunciation: (kal'si-don", kal-sēd'n), [key]—
n.
1. an ancient city in NW Asia Minor, on the Bosporus, opposite Byzantium.
2. Council of, the ecumenical council held there in a.d. 451.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.