noun
batting practice
Baseball term for practice where a batter hits freely, often from a coach's pitch or a pitching machine. Wasei-eigo from 'free batting'.
wasei-eigo (Japanese-coined English), from free batting
試合前のフリーバッティングで、彼は鋭い当たりを連発した。
During batting practice before the game, he hit a series of sharp line drives.
コーチがフリーバッティングのピッチャーを務めた。
The coach pitched for batting practice.