Gunfire from two or more directions crossing each other, or metaphorically, being caught between opposing forces or arguments.
Compound of 'cross' and 'fire', first used in military contexts in the 17th century. The metaphorical sense of being caught between opposing forces developed in the 19th century, extending the military concept to civilian conflicts.
The term 'crossfire' perfectly demonstrates how military terminology enriches everyday language - we commonly use it to describe being caught between arguing parents or competing demands, showing how warfare metaphors shape our understanding of conflict.
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