/ Dictionary / Index N national forest: Meaning and Definition of Find definitions for: na'tional for'est Pronunciation: [key] forested land owned, maintained, and preserved by the U.S. government. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. National Endowment for the Humanities National Foundation on the Arts and the Humanities Related Content Daily Word Quiz: modify Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language