| foul ball | |
noun | |
| (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 [ant: fair ball] |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |