capstan
/ˈkæpstən/noun
1- a broad revolving cylinder with a vertical axis used for winding a rope or cable, powered by a motor or pushed round by levers绞盘, 卷扬机。
1.1
- the motor-driven spindle on a tape recorder that makes the tape travel past the head at constant speed（录音机的）主动轮。
词源
late Middle English: from Provençal cabestan, from cabestre 'halter'， from Latin capistrum, from capere 'seize'.