(mound) noun
1. A heap or pile of earth, either natural or artificial; hillock.
2. One of the earthworks built by the Mound Builders for burial or fortification.
3. In baseball, the slightly raised ground from which the pitcher pitches the ball. See synonyms under RAMPART.
—v.t.
1. To fortify or enclose with a mound.
2. To heap up in a mound. [Origin uncertain]

(mound) noun
A jeweled ball or globe, often surmounted by a cross, forming part of the regalia of a king or emperor: an emblem of sovereignty; an orb. [<F monde <L mundus world]
MOUND²