What is the meaning of wetting?

noun

• The act of making something wet.
• A euphemism for urination.
  • usage: "he had to take a leak"
  • synonyms: leak, making water, passing water

verb

• Cause to become wet.
  • usage: "Wet your face"
  • synonyms: wet
• Make one's bed or clothes wet by urinating.
  • usage: "This eight year old boy still wets his bed"
  • synonyms: wet