撃げき鉄てつげきてつFreq.FrequencyTop 100,000Meanings1nounpercussion hammer; firing hammer; cocking pieceTechnical term for the part of a firearm that strikes the primer or firing pin. Used in firearms contexts.撃げき鉄てつを起おこしてから引ひき金がねを引ひく。Cock the hammer, then pull the trigger.