/ Dictionary / Index N national income: Meaning and Definition of Find definitions for: na'tional in'come Pronunciation: [key] the total net earnings from the production of goods and services in a country over a period of time, usually one year, and consisting essentially of wages, salaries, rent, profits, and interest. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. national holiday National Industrial Recovery Act Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language