/ Dictionary / Index N Niarchos: Meaning and Definition of Find definitions for: Ni•ar•chos Pronunciation: (nē-är'kōs Gk. nē'är-&khligôs), [key] — n. born 1909, Greek businessman. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Niamey nib Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language