Definition of firing line Firing line

fir•ing line

We found 5 definitions of firing line from 2 different sources.

What does firing line mean?

Noun
firing line - the most advanced and responsible group in an activity; "the firing line is where the action is"
firing line - the line from which soldiers deliver fire

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firing line (Noun)
The line from which soldiers fire their weapons at a target; especially the front line of troops in a battle.
firing line (Noun)
A row of shooters.
firing line (Noun)
The vanguard of an activity.