What is the meaning of kissing?

noun

• Affectionate play (or foreplay without contact with the genital organs.
  • synonyms: caressing, cuddling, fondling, hugging, necking, petting, smooching, snuggling

verb

• Touch with the lips or press the lips (against someone's mouth or other body part) as an expression of love, greeting, etc..
  • usage: "The newly married couple kissed"; "She kissed her grandfather on the forehead when she entered the room"
  • synonyms: snog, kiss, buss, osculate
• Touch lightly or gently.
  • usage: "the blossoms were kissed by the soft rain"
  • synonyms: kiss