対たい空くう砲ほうたいくうほうMeanings1nounanti-aircraft gun; antiaircraft artilleryRefers to guns or artillery designed to shoot down aircraft. Often used in military contexts.敵てっ機きを迎むかえ撃うつため、対たい空くう砲ほうが一いっ斉せいに火ひを噴ふいた。To intercept the enemy planes, the anti-aircraft guns opened fire all at once.