What is the meaning of Gunpowder?

An explosive mixture of saltpetre (potassium nitrate), charcoal and sulphur; formerly used in gunnery but now mostly used in fireworks.

Short for gunpowder tea.

To destroy with gunpowder.

Idli podi/milagai podi; ground-up dry spices mixed with oil and ghee and served alongside idli or dosa.

Source: wiktionary.org