kiss

Definition:

A kiss is an action in which one person puts his lips to another person's lips or face. This term can also be used figuratively.

Some cultures kiss each other on the cheek as a form of greeting or to say goodbye.
A kiss can communicate deep love between two people, such as a husband and wife.
The expression "to kiss someone farewell" means to say goodbye with a kiss.
Sometimes the word "kiss" is used to mean "say goodbye to." When Elisha said to Elijah, "Let me first go and kiss my father and mother," he wanted to say goodbye to his parents before leaving them to follow Elijah.