handshake

hand +‎ shake

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Handshake 1.

handshake (plural handshakes)

1. The grasping of hands by two people when greeting, leave-taking, or making an agreement.
2. (computing) An exchange of signals between two devices when communications begin in order to ensure synchronization.

handshake (third-person singular simple present handshakes, present participle handshaking, simple past and past participle handshaked or handshook)

1. To perform a handshake; to shake hands.
2. (computing) To perform a handshake with another device.

• shake on it

• shakehand