handshake

About 0.97 uses per million words.

Meaning

1. noun The grasping of hands by two people when greeting, leave-taking, or making an agreement.
2. noun An exchange of signals between two devices when communications begin in order to ensure synchronization.
3. verb To perform a handshake; to shake hands.
4. verb To perform a handshake with another device.

Similar words

handshaking handclasp shake contact link acceptance liaison recognition handshake deal handing

Often followed by

and was is with authentication of or to protocol

Word family

handshakes