passed ball
noun Baseball.
a pitched ball that the catcher can reasonably be expected to catch but misses, resulting in a base runner's or runners' advancing one or more bases or in the batter's reaching first base safely.
Compare
wild pitch.
Origin of passed ball
An Americanism dating back to 1860–65
Words nearby passed ball
passchendaele,
passcode,
passe,
passe-partout,
passed,
passed ball,
passed pawn,
passel,
passement,
passementerie,
passenger