Definitions for "Foul ball"
From Official Rules, rule 2.0 A FOUL BALL is a batted ball that settles on foul territory between home and first base, or between home and third base, or that bounds past first or third base on or over foul territory, or that first fall... read more ...
(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 strike,'' Hernandez said through a translator