1) Capturing 2) Confining 3) Cooping up 4) Putting behind bars 5) Putting in an aviary 6) Shutting in 7) Shutting up 1) Custody 
[direct mail] In the direct mail industry, a caging list is a list/database of addresses, updated after a mailing program is completed, with notations on responses, with corrections for addresses for which mail has been returned as undeliverable or forwarded. In third-party direct mail fundraising, a caging agent receives contributions, pro...
• (p. pr. & vb. n.) of Cage
(An old concept connected with cash processing). The department within a fulfilment operation which processes incoming mail containing cheques and credit card payments