winder
🇺🇸
/ˈwaɪndər/
🇬🇧
/ˈwaɪndə(r)/
A tool or machine that helps to coil or roll something up, like a watch spring or camera film.
The winder on the clock made a soft clicking sound as it moved the hands.
時鐘上的上弦器在移動指針時發出了輕微的咔嗒聲。