katana and wakizashi (worn together)
Refers to the pair of swords (long and short) traditionally worn by samurai at the waist. A historical term; in modern contexts, it appears mainly in discussions of samurai culture or historical descriptions.
The samurai walked through town wearing both swords at his waist.
Compound of 両 (both) and 腰 (waist), literally 'both waists', referring to the practice of wearing two swords at the waist.