squirrel cage

1. A circular cage for a squirrel or other small animal, which rotates vertically as the animal runs at the bottom.

   cage with a cylindrical framework that rotates as a small animal runs inside it

2. (broadly, figuratively)A tedious, repetitive, unfulfilling activity or situation, especially one in which no progress is achieved.

3. Any other device, such as a fan or rotor, that resembles a squirrel cage in form.

regular

• squirrel's cagealternative