1. the first ecumenical council in 325 which produced the wording of the Nicene Creed and condemned the heresy of Arianism; [syn: Nicaea, First Council of Nicaea]
WordNet (r) 3.0 (2006):
First Council of Nicaea
n 1: the first ecumenical council in 325 which produced the
wording of the Nicene Creed and condemned the heresy of
Arianism [syn: Nicaea, First Council of Nicaea]