Definition of "Kiss" :

noun: a light glancing touch

"There was a brief kiss of their hands in passing."

noun: the act of caressing with the lips (or an instance thereof)

noun: any of several bite-sized candies

noun: a cookie made of egg whites and sugar

verb: touch with the lips or press the lips (against someone's mouth or other body part) as an expression of love, greeting, etc.

"The newly married couple kissed."

verb: touch lightly or gently

"The blossoms were kissed by the soft rain."