スピードボールスピードボールMeanings1nounfastballbaseball›Wasei-eigo baseball term for a fastball. Used in Japanese baseball contexts; not the English 'speedball' (drug mixture).wasei-eigo (Japanese-coined English), from speed ball彼かれのスピードボールは150キロを超こえる。His fastball exceeds 150 km/h.
