Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
nicaea is a noun meaning "an ancient city in Bithynia; founded in the 4th century BC and flourished under the Romans; the Nicene Creed was adopted there in 325". It carries 3 recorded senses.
the seventh ecumenical council in 787 which refuted iconoclasm and regulated the veneration of holy images
the first ecumenical council in 325 which produced the wording of the Nicene Creed and condemned the heresy of Arianism
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for nicaea come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.