Definition of Aladdin's cave
: a place containing a vast collection of unusual objects … we found a strange two-storey barn-like building … with a below-street-level Aladdin's cave of dusty old furniture, much of it from the 1920s and 30s … — Stephen Joyce, In Britain, April 1974
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Origin and Etymology of aladdin's cave
from the cave in a traditional Middle Eastern tale of Aladdin and the magic lamp
First Known Use: 1854
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