noun
repertoire of pitches
Baseball term for the set of pitch types a pitcher can throw. Usually written 持ち球.
彼の持ち球はストレートとカーブだけだ。
His repertoire of pitches is just a fastball and a curve.
noun
balls at hand (pachinko)
Pachinko term for the balls a player currently has in their possession. Usually written 持ち玉.
持ち玉がなくなったので、パチンコをやめた。
I ran out of balls, so I stopped playing pachinko.
Compound of 持ち (mochi, 'holding') + 球/玉 (tama, 'ball'). The kanji 球 is typically used for baseballs, while 玉 is used for pachinko balls.