A building or facility where gas (usually coal gas or town gas) was produced, processed, or distributed.
From 'gas' plus 'house' (a building); common in industrial areas from the 1800s through mid-1900s before natural gas pipelines became widespread.
The term 'gashouse' became part of American slang for rough, working-class neighborhoods (like 'Gashouse District'), and the St. Louis Cardinals baseball team were nicknamed the 'Gashouse Gang' for their gritty, hard-fighting style.
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