front_line
1. [ noun ] (military) the line along which opposing armies face each other
Synonyms: front battlefront
Related terms: line battlefield
Similar spelling:   frontier
  front_burner
  front_end
  front_man
  frontal_bone
  frontal
  front_crawl
  front_bench
  front-stall
  frontlet
  frontiersman
  front_matter
  frontmost
  frontage
  frontal_area
  frontal_lobe
  frontal_sinus
  frontally
  frontispiece
  front-runner
  front_yard
  front_room
  front_door
  Frenette