In baseball, a batted ball that goes high into the air and can be caught for an out.
From 'fly' + 'ball' (Old Norse 'bollr'). Baseball terminology dating to the 19th century, describing the trajectory of the hit.
A fly ball is baseball's moment of suspense—will the outfielder track it, or will it drop for a hit? It's the sport's original cliff-hanger.
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