Before about 1920, an underground chamber or insulated building, possibly in the grounds of a stately home (8)
I believe the answer is:
icehouse
(Another definition for icehouse that I've seen is " Cold store".)
I've seen this clue in The Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.