The present participle of crossfire; shooting at a target from multiple directions at the same time.
From 'cross' and 'fire,' with the progressive '-ing' suffix added. This military term has been in use since at least the 19th century to describe simultaneous shooting from opposing positions.
In warfare, crossfiring is actually a sophisticated tactical technique—soldiers position themselves so that enemies cannot hide in any single location, making the position nearly impossible to defend.
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