Definitions
1.verbTo confine in a cage; to put into and keep in a cage.
2.verbTo restrict someone's movement or creativity.
3.verbTo track individual responses to direct mail, either to maintain and develop mailing lists or to identify people who are not eligible to vote because they do not reside at the registered addresses.
4.adjectiveConfined in a cage.
5.adjectiveOf eggs: produced by birds confined in cages; not free-range.