ˈjuː.ə ˈju.ɚ maʊnd the position on a baseball team of the player who throws the ball for a batter to try to hit he has played every position except pitcher they have a southpaw on the mound an open vessel with a handle and a spout for pouring (baseball) the person who does the pitching our pitcher has a sore arm (botany) a leaf that is modified in such a way as to resemble a pitcher or ewer the quantity contained in a pitcher