Definition of "black market" [black market]

• The illegal business of buying or selling goods or currency in violation of restrictions such as price controls or rationing. (noun)
• A place where these illegal operations are carried on. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "And of course, Libya has alerted us to the extent of the global WMD black market and Dr Khan's role in it."
• "And the whole notion of “missing” Russian nuclear suitcase bombs floating around for sale on the black market that Zawahiri mentioned to Hamid Mir is a Hollywood construct greeted with great skepticism by nuclear proliferation experts."
• "Among the dank alleys of Gelph, I chanced upon a black market dealer in items arcane who offered that which was forbidden."