pitcher

definition: the position on a baseball team of the player who throws the ball for a batter to try to hit
example: I've played every position except pitcher.
speech part: noun
synonyms: mound
definition: an open vessel with a handle and a spout for pouring
example:
speech part: noun
synonyms: ewer
definition: (baseball) the person who does the pitching
example: our pitcher has a sore arm
speech part: noun
synonyms: twirler
definition: (botany) a leaf that that is modified in such a way as to resemble a pitcher or ewer
example:
speech part: noun
synonyms:
definition: the quantity contained in a pitcher
example:
speech part: noun
synonyms: pitcherful

How pitcher is being used?