What is the meaning of surrender?

noun

• Acceptance of despair.
  • synonyms: resignation
• A verbal act of admitting defeat.
  • synonyms: giving up, yielding
• The delivery of a principal into lawful custody.
• The act of surrendering (usually under agreed conditions. )
  • usage: "they were protected until the capitulation of the fort"
  • synonyms: capitulation, fall

verb

• Give up or agree to forgo to the power or possession of another.
  • usage: "The last Taleban fighters finally surrendered"
  • synonyms: give up
• Relinquish possession or control over.
  • usage: "The squatters had to surrender the building after the police moved in"
  • synonyms: cede, deliver, give up