The term 'disarmed a bomb' refers to the process of defusing a bomb, which is the act of removing or disabling the explosive components of a bomb. This is typically done by a bomb disposal expert, who is trained to safely and effectively disarm bombs. The crossword solution for this term is 'defused, ' which means to have made something harmless or inactive. Defusing a bomb is an important step in preventing it from detonating and causing harm.