item worn on the hip; hip accessory
Historical term for objects carried at the waist, especially swords, pill boxes, or money pouches in pre-modern Japan. Now mostly encountered in historical contexts or explanations.
Samurai wore a sword on their hip as a hip accessory.
この絵巻には、腰物に印籠を下げた町人が描かれている。
In this picture scroll, a townsman is depicted with an inro hanging from his hip accessory.
Compound of 腰 (koshi, 'hip') and 物 (mono, 'thing'). The exact historical derivation is uncertain, but the term straightforwardly describes items worn at the waist.