noun, noun or participle which takes 'suru'
muffed ball; error
Baseball term for a ball that a fielder fails to catch cleanly, resulting in an error. Used as a noun or with する to describe the action of muffing a ball.
ショートが逸球してランナーが出塁した。
The shortstop muffed the ball and the runner reached base.
Compound of 逸 (escape, deviate) and 球 (ball), literally 'escaped ball'. A technical baseball term.