鉄てっ砲ぽう責ぜめMeanings1nountorture by pouring molten lead on the backHistorical form of torture used in feudal Japan; the victim was forced to lie face down while molten lead was poured over their back.鉄てっ砲ぽう責ぜめは江え戸ど時じ代だいの残ざん酷こくな拷ごう問もんの一ひとつだった。Teppō-zeme was one of the cruel tortures of the Edo period.