To dream that you are in a cage indicates that you are experiencing inhibitions and powerlessness in some areas of your life. You are feeling restricted, confined and restrained in a current relationship or business deal. Somebody may be keeping a short leash on you, where you are lacking the freedom to act independently. 

To dream that you are putting a wild animal into a cage signifies that you will succeed in overcoming your rivals and fears. It is also symbolic of your ability to control you animalistic rages and anger. 

To see a bird in a cage suggests that you are feeling limited in your expression and a sudden loss of freedom. You may be experiencing frustrations and an inhibited spirituality. The dream may also imply that you are feeling like a “jail bird”.