Meaning : (baseball) the slight elevation on which the pitcher stands.
Synonyms : hill, pitcher's mound
Meaning : A collection of objects laid on top of each other.
Synonyms : agglomerate, cumulation, cumulus, heap, pile
Meaning : Structure consisting of an artificial heap or bank usually of earth or stones.
Example :
They built small mounds to hide behind.
Synonyms : hill
Meaning : The position on a baseball team of the player who throws the ball for a batter to try to hit.
Example :
He has played every position except pitcher.
They have a southpaw on the mound.
Synonyms : pitcher