What is the meaning of voiding?

noun

• The bodily process of discharging waste matter.
  • synonyms: elimination, evacuation, excretion, excreting

verb

• Declare invalid.
  • usage: "The contract was annulled"; "void a plea"
  • synonyms: invalidate, annul, quash, void, avoid, nullify
• Clear (a room, house, place) of occupants or empty or clear (a place or receptacle. of something)
  • usage: "The chemist voided the glass bottle"; "The concert hall was voided of the audience"
  • synonyms: void
• Take away the legal force of or render ineffective.
  • usage: "invalidate a contract"
  • synonyms: invalidate, void, vitiate
• Excrete or discharge from the body.
  • synonyms: evacuate, void, empty