Akademik

(baseball) a ball struck with the bat so that it does not stay between the lines (the foul lines) that define the width of the playing field

: a batted baseball that rolls outside an infield foul line or that lands in foul territory — compare fair ball, foul tip

1. a batted ground ball that is hit and played outside the foul lines, or that passes outside the foul lines at first or third base, or that is played outside the foul line between home and first or third base regardless of where hit.

2. a batted fly ball played or landing outside the foul lines.

3. Slang. an incompetent, unlucky, or eccentric person.

[1855-60, Amer.]

foul ball,

Baseball. batted ball that lands outside the foul lines. A foul ball is counted as a strike unless the batter has two strikes against him.

n. Baseball a ball struck so that it falls or will fall outside the lines extending from home plate past first and third bases. An uncaught foul ball counts as a strike against the batter, unless it would be the third strike. The exception is a bunted foul ball, which can be a third strike. Compare with foul tip

ˈfoul ball 7 [foul ball] noun

(in ↑baseball) a hit that goes outside the allowed area