1. the fourth ecumenical council in 451 which defined the two natures (human and divine) of Christ; [syn: Chalcedon, Council of Chalcedon]
WordNet (r) 3.0 (2006):
Council of Chalcedon
n 1: the fourth ecumenical council in 451 which defined the two
natures (human and divine) of Christ [syn: Chalcedon,
Council of Chalcedon]