Definition of "thunderbox" []

• A close-stool, a stool enclosing a chamber pot. (noun)
• A rudimentary outside toilet. (noun)

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• "They returned to the outhouse where the sergeant opened the lid of the thunderbox and shone his torch down the pit, revealing their man up to this armpits in years and years of crap."
• "He will murder me; and break, burn, and destroy my precious and invaluable thunderbox; and then you will have no more thunder-showers in the land."
• "And a very good-natured gentleman and lady they were, though they were heathens; and talked quite pleasantly to Tom about his travels, till the Powwow man arrived, with his thunderbox under his arm."