gas chamber

US /ˈɡæs ˌtʃeɪm.bər/
UK /ˈɡæs ˌtʃeɪm.bər/
"gas chamber" picture
1.

an airtight room that can be filled with poisonous gas to kill people or animals

:
The condemned prisoner was led to the gas chamber.
Historical accounts describe the use of gas chambers during World War II.