/ Dictionary / Index A ante-Nicene: Meaning and Definition of Find definitions for: an•te-Ni•cene Pronunciation: (an"tē-nī-sēn', -nī'sēn), [key] — adj. of or pertaining to the Christian church or period before the Nicene Council of a.d. 325. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. antenave antenna Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language