handshake
/ˈhændʃeɪk/noun
1- an act of shaking a person's hand with one's own as a greeting（作为问候方式的）握手。
1.1
- a person's particular way of doing this（一个人特有的）握手（方式）：
her handshake was warm and firm.
她的握手让人觉得温暖有力。
1.2
- Computing an exchange of standardized signals between devices in a computer network regulating the transfer of data【计算机】信号交换式, “握手”联络方式。