/ Dictionary / Index N night heron: Meaning and Definition of Find definitions for: night' her"on Pronunciation: [key] any of several thick-billed, crepuscular or nocturnal herons of the genus Nycticorax and related genera, as N. nycticoraxof the Old and New Worlds, and Nyctanassa violaceaof America. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nighthawk nightie Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language