Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun firing_line

2 senses of firing line

Sense 1
firing line -- (the line from which soldiers deliver fire)
       => line -- (a fortified position (especially one marking the most forward position of troops); "they attacked the enemy's line")

Sense 2
firing line -- (the most advanced and responsible group in an activity; "the firing line is where the action is")
       => class, stratum, social class, socio-economic class -- (people having the same social, economic, or educational status; "the working class"; "an emerging professional class")