Also found in: Thesaurus, Encyclopedia, Wikipedia.
1. (Zoology) a cage consisting of a cylindrical framework that is made to rotate by a small animal running inside the framework
2. a repetitive purposeless task, way of life, etc
3. (Electrical Engineering) electrical engineering Also called: squirrel-cage motor the rotor of an induction motor with a cylindrical winding having copper bars around the periphery parallel to the axis
4. (Electronics) an electric fan with many long narrow blades arranged in parallel so as to form a cylinder about an axis around which they spin