(n.) A killing; the act of killing.

Augean stables Belsen DMZ abattoir aceldama battle line battle site battlefield battleground bloodbath blue ruin botch botchery breakup butchering butchery carnage chaos combat area combat zone concentration camp consumption damnation decimation depredation desolation despoilment despoliation destruction devastation disaster disintegration disorganization disruption dissolution enemy line field field of battle field of blood firing line front line gas chamber hash havoc hecatomb holocaust killing ground landing beach line line of battle mess mix-up muddle mull muss occision perdition pigpen pigsty ravage ruin ruination seat of war slaughter slaughterhouse slaughtering spoliation stockyard the front theater theater of operations theater of war undoing vandalism waste wrack wrack and ruin wreck zone of communications