'Chalcedon' definitions:
Definition of 'Chalcedon'
(from WordNet)
noun
A former town on the Bosporus (now part of Istanbul); site of the Council of Chalcedon [syn: Chalcedon, Kadikoy]
noun
The fourth ecumenical council in 451 which defined the two natures (human and divine) of Christ [syn: Chalcedon, Council of Chalcedon]