manivela
crank
mano
hand
+
vela
candle
Manivela means crank. It can be remembered by thinking of mano0 (hand0) + vela1 (candle1), like a 'hand-candle' you turn to operate machinery.
noun
- crankA handle that can be turned to operate a machine or deviceGira la manivela para subir la ventana. // Turn the crank to raise the window.