Breadcrumb Home > Dictionary > Index F fog forest: Meaning and Definition of Find definitions for: fog' for"est Pronunciation: [key] the thick forest growth at fairly high elevations on tropical mountains, where there is a prevalence of clouds, high humidity, and mild temperature. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fogey foggage ✖ Related Content Daily Word Quiz: shanghai Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language