Definition of "handshake" []

• The grasping of hands by two people, as in greeting or leave-taking. (noun)
• Computer Science An exchange of signals between two devices when communications begin in order to ensure synchronization. (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.

• "By analogy, a handshake is a warm way to greet a client in business, but rather cold among family members where a hug is more appropriate."
• "My adventure to the White House ended with a handshake from the president and the words: "Thank you for everything you are doing -- you are truly an inspiration.""
• "Renee writes: well i feel a firm handshake is necessary when you meet an elder or someone of a professional buessiness."