A kind of dark, damp orchard for the growing of mushrooms. Example: Kid: Mum, is dinner ready? Mum: It would be ready a lot faster if you'd go to the shroomery and pick me some mushrooms. Kid: Doh. Sucked in. Again.
SHROOMERY
Meaning of SHROOMERY in English
Slang English vocab. Английский сленговый словарь. 2012