Instrument of execution consisting of a sealed chamber into which poison gas is introduced; used to kill people or animals(noun)
WordNet. Princeton University. 2010.
Use "death chamber" in a sentence
"Along with the great aunt of the victim and an even more elderly prison reporter who sat beside us on the three-plank viewing stand, we didn't see the Mudman until after his wheelchair was rolled into the death chamber just before 8: 00 a.m."