Definition of 'nicaea'

Noun

1. an ancient city in Bithynia; founded in the 4th century BC and flourished under the Romans; the Nicene Creed was adopted there in 325
2. the seventh ecumenical council in 787 which refuted iconoclasm and regulated the veneration of holy images
      Synonyms: Second Council of Nicaea
3. the first ecumenical council in 325 which produced the wording of the Nicene Creed and condemned the heresy of Arianism
      Synonyms: First Council of Nicaea

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