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

"Mound earth."