opium den

English

Noun

opium den (plural opium dens)

1. (historical) An establishment in which opium was sold and smoked.
   • 2023 September 6, Greg Morse, “One more for the road?”, in RAIL, number 991, pages 49-50:

     The pub was a classic 1930s 'roadhouse'. To the railway's official mindset, it might as well have been an opium den in Victorian London.

References

“opium den”, in Collins English Dictionary.