From Longman Dictionary of Contemporary Englishcorn/wool/cotton etc exchangecorn/wool/cotton etc exchangeTBBBBTa large building in a town that was used in the past for buying and selling corn, wool etc → labour exchange, stock exchange → exchange
Examples from the Corpus
corn/wool/cotton etc exchange• Numerous former corn exchanges have been converted into shopping arcades accordingly.• It's a long time since you could go to your local corn exchange and see international artists for ten bob.• March cotton rose 2. 04 cents to 84. 50 cents a pound on the New York Cotton Exchange. 