Breadcrumb Home > Dictionary > Index G Cite gossan: Meaning and Definition of Find definitions for: gos•san Pronunciation: (gos'un, goz'-), [key] ? n. a rust-colored deposit of mineral matter at the outcrop of a vein or orebody containing iron-bearing materials. Also called Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. gossamer Gosse TrendingHere are the facts and trivia that people are buzzing about. February 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress The Women's March on Versailles Keeping Your Brain Active in a COVID-19 World The Manchu Related Content Daily Word Quiz: syncretism Analogy of the Day: Today?s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language