Synonyms for Mound (same or very similar meaning)
WordNet sense 1 (a small natural hill):
hammock, hillock, hummock, knoll
WordNet sense 2 (a collection of objects laid on top of each other):
agglomerate, cumulus, heap, pile, agglomerate, cumulation
WordNet sense 3 ((baseball) the slight elevation on which the pitcher stands):
hill, pitcher's mound
WordNet sense 4 (the position on a baseball team of the player who throws the ball for a batter to try to hit):
pitcher
From the ODE community, based on WordNet
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