period of play,
playing period,
play (in games or plays or other performances) the time during which play proceeds; "rain stopped play in the 4th inning"
athletics,
sport participation in sports events as an extracurricular activity
top of the inning,
top a garment (especially for women) that extends from the shoulders to the waist or hips; "he stared as she buttoned her top"
bout -
an occasion for excessive eating or drinking; "they went on a bust that lasted three days"