[keyj] 
noun, verb, caged, cag⋅ing.| 1. | a boxlike enclosure having wires, bars, or the like, for confining and displaying birds or animals. |
| 2. | anything that confines or imprisons; prison. |
| 3. | something resembling a cage in structure, as for a cashier or bank teller. |
| 4. | the car or enclosed platform of an elevator. |
| 5. | Mining. an enclosed platform for raising and lowering people and cars in a mine shaft. |
| 6. | any skeleton framework. |
| 7. | Baseball. a movable backstop for use mainly in batting practice. |
| 8. | a frame with a net attached to it, forming the goal in ice hockey and field hockey. |
| 9. | Basketball Older Use. the basket. |
| 10. | a loose, sheer or lacy overdress worn with a slip or a close-fitting dress. |
| 11. | Ordnance. a steel framework for supporting guns. |
| 12. | Machinery. retainer 1 (def. 3). |
| 13. | to put or confine in or as if in a cage. |
| 14. | Sports. to shoot (as a puck) into a cage so as to score a goal. |
[keyj] | John, 1912–1992, U.S. composer. |
[ri-tey-ner] | 1. | a person or thing that retains. |
| 2. | a servant or attendant who has served a family for many years. |
| 3. | Also called cage, separator. Machinery. a ring separating, and moving with, balls or rollers in a bearing. |
| 4. | Orthodontics.
|
| cage (kāj) n.
To put or confine in or as if in a cage. See Synonyms at enclose. [Middle English, from Old French, from Latin cavea.] |
| Cage (kāj) American musical theorist and composer of avant-garde works, such as Sonatas and Interludes for a piano with its strings damped by wood and metal (1946-1948). |
Cage
A term used to describe the department of a brokerage firm that receives and distributes physical securities.
Investopedia Commentary
A reference mainly used by industry workers, the cage is like a vault where all certificates and bonds are held in physical form.
See also: Bearer Form, Bond, Broker, Security, Street Name
retainer re·tain·er (rĭ-tā'nər)
n.
One that retains, as a device, frame, or groove that restrains or guides, especially for a prosthesis.
An appliance used to hold teeth in position after orthodontic treatment.
CAGE
Early system on IBM 704. Listed in CACM 2(5):16 (May 1959).
Cage
(Heb. kelub', Jer. 5:27, marg. "coop;" rendered "basket" in Amos 8:1), a basket of wicker-work in which birds were placed after being caught. In Rev. 18:2 it is the rendering of the Greek _phulake_, properly a prison or place of confinement.