noun
outcurve; curveball that breaks away from the batter
Baseball term for a pitch that curves away from a same-handed batter. In Japanese baseball commentary, it is often contrasted with インカーブ (incurve).
彼のアウトカーブは右打者にとって打ちにくい。
His outcurve is hard for right-handed batters to hit.
インカーブ is a curveball that breaks toward a same-handed batter, while アウトカーブ breaks away.
カーブ is the general term for a curveball; アウトカーブ specifies the direction of the break.
Borrowed from English 'outcurve', a compound of 'out' and 'curve'.