- a room or enclosure where animals may be killed by exposure to a poison gas.
Origin of lethal chamber
First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for lethal chamber
This is to be used for the “lethal-chamber,” where the specimens are to be sent to sleep, but not to “awake refreshed.”