firing line


noun

Military.
  1. the positions at which troops are stationed to fire upon the enemy or targets.
  2. the troops firing from this line.
the forefront of any action or activity, especially a controversy.

Origin of firing line

First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for firing line

firing line

noun

military
  1. the positions from which fire is delivered
  2. the soldiers occupying these positions
the leading or most advanced position in an activity

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012