In base-ball, lawnbowls, basket-ball, and similar games, a curve toward the left hand made by a ball delivered by the right; the reverse of in-curve.(noun)
The Century Dictionary (Public Domain)
Use "out-curve" in a sentence
"As Mathewson said in a 1912 magazine article, In Honesdale, there was a left-handed pitcher named Williams who could throw an out-curve to a right-handed batter."
"Quote: “Cummings, Tommy Bond, Terry Larkin and others developed the out-curve, but not before 1870.”"
"The out-curve can be produced either with a fast ball or a slow one."