punch mine
n.— «The museum is a history lesson of Wheatcroft’s rich coal-mining past.…Clark shows a picture of a stooped miner entering a punch mine.» —“Mining a father’s passion” by Garret Mathews in Wheatcroft Louisville Courier & Press (Kentucky) Jan. 28, 2008. (source: Double-Tongued Dictionary)
Further reading
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A psychiatric home health worker is curious about the use of nuthouse to mean “a mental health facility.” This term goes back to the turn of the 20th century. The word nuts itself once had an extremely positive connotation, referring to...