Definition of "foundry"

foundry

/ˈfaʊn.dɹi/

noun
countable and uncountable, plural foundries
1. A facility that melts metals in special furnaces and pours the molten metal into molds to make products. Foundries are usually specified according to the type of metal dealt with: iron foundry, brass foundry, etc.
  Quotations
  So after learning a great deal about iron founding and much more about pike fishing, one regretfully took leave of a shop full of kindly characters and proceeded to a worse lot of odours in the brass foundry. […] So after a short spell in the brass foundry the wisest course was to follow with a similar period in the steel foundry, where much important work was done, including the manufacture of centres for wheels.
  1944 November and December, A Former Pupil, “Some Memories of Crewe Works—II”, in Railway Magazine, page 343
2. The act, process, or art of casting metals; founding.
3. A plant that produces chips out of semiconductors in the microelectronics industry.