The phrase "confined area" refers to a small, limited space where movement or resources are restricted. It can be a place with boundaries or restrictions that prevent people or things from freely moving or expanding. Full definition
Now you also have to remember these cows are in confined areas so there's a lot of susceptibility to disease, so the dairy farmers are giving these cattle a lot of antibiotics. (thomasdelauer.com)
To limit your cat's activity, as well as help them feel safe and comfortable, place them in a quiet, confined area such as a bathroom, laundry room or kitchen. (aspca.org)
Some cats will sleep in regular pet beds, but some prefer confined areas where they can get cozy and be hidden. (trupanion.com)