noun
handshake
HAN-shayk
noun
1
The act of grasping and shaking someone's hand as a greeting or to seal an agreement.
"They sealed the deal with a firm handshake."
"His handshake was so weak it barely registered."
2
In computing, an exchange of signals between devices when a connection is established.
"The connection failed during the initial handshake."
How to Use Handshake
Learner’s notesIn plain EnglishA greeting where two people grip and shake hands, or (in tech) devices confirming a connection.
Common pairings
firm handshake
shake hands
handshake protocol
Word Forms
handshaked past tense, handshook past tense, handshakes plural, handshakes singular
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Etymology
From "hand" + "shake" — literally the shaking of hands.