Breadcrumb Home > Dictionary > Index M Mound Builders: Meaning and Definition of Find definitions for: Mound' Build"ers Pronunciation: [key] the various American Indian tribes who, in prehistoric and early historic times, erected the burial mounds and other earthworks of the Mississippi drainage basin and southeastern U.S. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mound builder moundsman TrendingHere are the facts and trivia that people are buzzing about. Did Birds Evolve from Dinosaurs? The Twelve Dancing Princesses Current Events This Week: January 2023 African Americans by the Numbers Andersen's Fairy Tales: Contents The Celtic Twilight: A Teller of Tales ✖ Related Content Daily Word Quiz: limpid Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language