Disarm (verb)

1. Remove or render ineffective the weapons of (a country or person).
2. Remove the weapons from (a person).
3. Make (someone) less hostile or dangerous by removing their weapons or means of attack.
4. Deprive (someone) of weapons.

Origin:

Late middle english: from old french desarmer, from des- (expressing reversal) + armer "arm". .

Examples:

1. The country agreed to disarm its nuclear weapons.
2. The police disarmed the gunman.
3. The soldiers were disarmed by the enemy.
4. He disarmed the bomb before it could explode.
5. Disarmament talks between the two countries.