Definition of "Mound" :
noun: the position on a baseball team of the player who throws the ball for a batter to try to hit
"They have a southpaw on the mound."
noun: structure consisting of an artificial heap or bank usually of earth or stones
"They built small mounds to hide behind."
noun: (baseball) the slight elevation on which the pitcher stands
noun: a collection of objects laid on top of each other
noun: a small natural hill
verb: form into a rounded elevation