Regicide Regicide The broad definition of regicide ( "of king" + ' "killer" or ' "killing") is the deliberate killing of a monarch, or the person responsible for the killing of a person of royalty. In the British tradition, it refers to the judicial execution of a king after a trial, reflecting the historical precedent of the trial and execution of Charles I of England. More broadly, it can also refer to the killing of an emperor or any other reigning sovereign. Before the Tudor period, English kings had been murdered while imprisoned (for example Edward II or Edward V) or
Killing field of fire. Such a term may be used to describe the approaches to an "ideal" defensive fortification. An example of a killing field would be the exposed beaches in front of the seawall at Normandy. The term originated in medieval warfare to describe clear areas outside of a castle's walls such as pastures or specifically cleared fields where enemy soldiers could be easily and methodically killed in large numbers by ranged weapons. It also refers to areas within castles specially designed to bunch attackers who had breached the outer defenses into an area where the defenders could kill them easily