Definition of "two-way" []

• Affording passage in two directions: a two-way street. (adjective)
• Moving in two directions: two-way traffic. (adjective)
• Permitting communication in two directions: a two-way radio. (adjective)
• Permitting flow in two directions: a two-way valve. (adjective)
• Expressive of or involving mutual action, relationship, or responsibility. (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 cups of some of the brassieres seemed much more pointed than anything she had seen before, and an item called a two-way stretch, which looked as though it had plastic bones in the middle, was new to her."
• "“This wasn’t what I’d call a two-way street,” said one government official who attended several of the financial meetings."
• "Orin Kerr: Plus, presumably it would create a two-way street: The Supreme Court would have to start looking to Congress to see if there is a statutory privacy law, and that if there is no such law, that should be evidence that no reasonable expectation of privacy exists even if the Court were otherwise inclined to recognize one."