/ Dictionary / Index N Nysa: Meaning and Definition of Find definitions for: Ny•sa Pronunciation: (nī'su), [key] — n. Class. Myth. the mountain where Zeus sent the infant Dionysus to protect him from the vindictive wrath of Hera. one of the Nysaean Nymphs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. NYP Nysaean Nymphs Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language