short sword; dagger; tantō
Refers to a traditional Japanese short sword or dagger, typically with a blade length of about 15–30 cm. Often used in martial arts contexts.
He carried a short sword for self-defense.
武道の稽古で短刀を使う。
We use a tantō in martial arts practice.
He was carrying a dagger inside his robe.
The culprit stabbed the victim with a dagger.
She quickly drew her dagger.