English Reference
noun

handshake

n.
US /ˈhændˌʃeɪk/ UK /hˈændʃeɪk/ hand·shake UK spelling handshakes

  1. 01 B1 Intermediate

    the act of two people holding and shaking each other's hands to say hello, goodbye, or to show they agree.

    the act of grasping and shaking hands by two individuals as a gesture of greeting, farewell, or the formalisation of an agreement.

    Simple

    The two leaders ended the meeting with a firm handshake for the cameras.

    In context

    After hours of intense negotiation, the deal was finally sealed with a handshake, signifying mutual trust before the legal documents were drafted.

    shaking hands
  2. 02 C1 Advanced Technical Computing

    the way two computers or devices start a connection by sending signals to each other.

    an automated exchange of signals between two devices or systems to establish a communication protocol and ensure synchronisation.

    Simple

    The connection failed because the two devices couldn't complete the initial handshake.

    In context

    The three-way handshake is a fundamental process in TCP/IP networking that ensures both the client and server are ready to transmit data.


From hand + shake. See the appendix for the history of the gesture itself.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B1 · Intermediate
Frequency Frequent
Updated