Definition of "caged"

Two thirds of the class decided that free-range eggs had more taste and flavour than caged eggs and one third liked the taste of caged eggs more than free range.

2017, Kathy Smith, John Loughran, Quality Learning: Teachers Changing Their Practice, page 45

It is lighter to handle and more manoeuvrable, and its three caged sides with web straps on the fourth prevent movement of the contents.

1964 May, “News and Comment: WR's new parcel traffic method”, in Modern Railways, page 300