To deprive of arms; take the arms or weapons from; take off the armor from: as, he disarmed his foe; the prince gave orders to disarm his subjects: with of before the thing taken away: as, to disarm one of his weapons.Specifically To reduce to a peace footing, as an army or a navy.To deprive of means of attack or defense; render harmless or defenseless: as, to disarm a venomous serpent.To deprive of force, strength, means of injuring, or power to terrify; quell: as, to disarm rage or passion; religion disarms death of its terrors.To lay down arms; specifically, to reduce armaments to a peace footing; dismiss or disband troops: as, the nations were then disarming.To press (the lips of a horse) outward so that they may not be bruised on the toothless portions, or bars, of the lower jaw.