/ Dictionary / Index N NHA: Meaning and Definition of Find definitions for: NHA Pronunciation: [key] National Housing Agency. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. NH Nha Trang Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language