Definition of "closed" []

• Having boundaries; enclosed: a closed corridor between the two buildings. (adjective)
• Blocked or barred to passage or entry: a closed port. (adjective)
• Explicitly limited; restricted: closed membership. (adjective)
• Self-contained or self-sufficient: a closed relationship. (adjective)
• Barred to the public; conducted in secrecy: a closed session of the judiciary committee. (adjective)

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.

• "The only closed economy is the world economy, and if a U.S. default drives a rethink of all investment in government debt around the world, the “closed economy” will thrive as limited capital flows to the enterprising instead of the profligate."
• "The hands _tyned, tened_, closed, or shut in, signified _ten_; for there numeration _closed_."
• "There is a _supply_-cock, opened and an _escape_-cock closed, and an escape-cock _opened_ and a supply-cock _closed_, at each end of the tube, _every time the lever is moved_."