<p><strong>Noun</strong></p><ul><li>a natural elevation of earth; a hillock or knoll</li><li>an artificial elevation of earth, as for a defense work or a dam or barrier; an embankment</li><li>a heap or raised mass: a mound of papers; a mound of hay</li><li>the slightly raised ground from which the pitcher delivers the ball</li><li>an elevation formed of earth, sand, stones, etc., especially over a grave or ruins</li><li>a tumulus or other raised work of earth dating from a prehistoric or long-past period</li></ul><p><strong>Verb</strong></p><ul><li>to form into a mound; heap up</li><li>to furnish with a mound of earth, as for a defense</li></ul>