cage (someone or something) up (in something)
To trap or enclose one in a particular space or area. Be sure to close the gate and cage the dog up in the back yard.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
cage someone or something up (in something)
to enclose or confine someone or something in something or someplace. They caged the lions up in strong containers for the trip across country. How long did it take to cage up the lions securely?
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.