/ Dictionary / Index O ore hearth: Meaning and Definition of Find definitions for: ore' hearth" Pronunciation: [key] a small blast furnace for smelting lead. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Oregon Trail oreide Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language