Noun
killing floor (plural killing floors)
(US) that part of a slaughterhouse where the animals are killed and initial processing is carried out.
I didn't work on the killing floor. I worked in the section where you break the meat down and package it. Marg Helgenberger
Killing Floor: Incursion's mechanics make it easy to play and far less frustrating than some other VR shooters we've tinkered with. Source: Internet
Tripwire Interactive's Killing Floor 2 receives its Infernal Insurrection update, and it's filled with horrifying Halloween content. Source: Internet