Breadcrumb Home > Dictionary > Index O overthrust belt: Meaning and Definition of Find definitions for: o'verthrust belt" Pronunciation: [key] — Geol. (sometimes caps.)Geol. an elongate area in which thick rock layers have been pushed over one another by compressional forces within the earth's crust. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. overthrust overtime TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: insipid Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language