In the civil law. The act of a person who was sued in a noxal action, i.e., for a tort or trespass committed by his slave or his animal, in relinquishing and abandoning the slave or animal to the person injured, whereby he saved himself from any further responsibility. See lust. 4, 8, 9; Fitzgerald v. Ferguson, 11 La. Ann. 396. ABANDUN, or ABANDUM. Anything sequestered, proscribed, or abandoned. Abandon, i.e., in bannum res missa, a thing banned or- denounced as forfeited or lost, whence to abandon, desert, or forsake, as lost and gone. Cowell.