A gun or firearm; a weapon that shoots projectiles using gunpowder or propellant.
田舎の博物館で古い鉄砲が展示されている。
Old firearms are on display at the rural museum.
山で鉄砲を撃つのは危険だし許可が必要だ。
Shooting guns in the mountains is dangerous and requires permission.
彼は歴史小説で鉄砲の扱い方を詳しく説明した。
In his historical novel he described in detail how to handle firearms.
In sumo, a wooden pole used in training to practice thrusts and blocks.
力士は稽古で鉄砲を使って突きや受けを練習することがある。
Wrestlers sometimes use a wooden pole (teppou) in training to practice thrusts and blocks.
部屋の師匠が若手に鉄砲の打ち方を教えた。
The stablemaster taught the young wrestlers how to use the teppou.
Colloquially, can refer to puffer fish (fugu) in some regions or contexts.
この地方ではフグのことを鉄砲と呼ぶことがある。
In this region puffer fish are sometimes called 'teppou.'
魚屋で「鉄砲入荷」と書いてあったら、それはフグが入ったという意味だ。
If a fish shop has a sign saying 'teppou in stock', it means they've received puffer fish.