noun
firecracker
A small explosive firework that produces a loud bang. The term 南京 (Nanking) historically referred to things of Chinese origin, and 花火 means fireworks.
祭りで南京花火を鳴らした。
We set off firecrackers at the festival.
南京花火の音が遠くから聞こえる。
The sound of firecrackers can be heard from afar.
Compound of 南京 (Nanking, referring to China) and 花火 (fireworks). The term reflects the historical association of firecrackers with Chinese culture.