[squirrel cage] n (1821) 1: a cage for a small animal (as a squirrel) that contains a rotatable cylinder for exercising
2: something resembling the working of a squirrel cage in repetitiveness or endlessness
[squirrel cage] n (1821) 1: a cage for a small animal (as a squirrel) that contains a rotatable cylinder for exercising
2: something resembling the working of a squirrel cage in repetitiveness or endlessness
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012