Definition of "Surrender" :

noun: the act of surrendering (usually under agreed conditions)

noun: the delivery of a principal into lawful custody

noun: a verbal act of admitting defeat

noun: acceptance of despair

verb: give up or agree to forgo to the power or possession of another

"The last Taleban fighters finally surrendered."

verb: relinquish possession or control over

"The squatters had to surrender the building after the police moved in."