What is Mounding?

Mounding definition and meaning on Dictionary terms:
a natural elevation of earth; a hillock or knoll.
an artificial elevation of earth, as for a defense work or a dam or barrier; an embankment.
a heap or raised mass: a mound of papers; a mound of hay.
Baseball. the slightly raised ground from which the pitcher delivers the ball.See also rubber1(def 14).

an elevation formed of earth, sand, stones, etc., especially over a grave or ruins.
a tumulus or other raised work of earth dating from a prehistoric or long-past period.

verb (used with object)
to form into a mound; heap up.
to furnish with a mound of earth, as for a defense.