Breadcrumb Home > Dictionary > Index E esker: Meaning and Definition of Find definitions for: es•ker Pronunciation: (es'kur), [key] — n. Geol. a serpentine ridge of gravelly and sandy drift, believed to have been formed by streams under or in glacial ice. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: esker (Thesaurus) Esk. Eskilstuna TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: bildungsroman Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language