/ Dictionary / Index N Nicaea: Meaning and Definition of Find definitions for: Ni•cae•a Pronunciation: (nī-sē'u), [key] — n. an ancient city in NW Asia Minor: Nicene Creed formulated herea.d.325. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nicaea (Thesaurus) nicad Nicaean Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language