from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The line of positions from which fire is directed at a target.
  • noun The forefront of an activity or pursuit; the vanguard.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun military The line from which soldiers fire their weapons at a target; especially the front line of troops in a battle
  • noun A row of shooters
  • noun idiomatic The vanguard of an activity

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the most advanced and responsible group in an activity
  • noun the line from which soldiers deliver fire


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