From Longman Dictionary of Contemporary Englishconfinedcon‧fined /kənˈfaɪnd/AWL adjective1 →be confined to somebody/something2SMALLa confinedspace or area is one that is very smallSYN restrictedIt wasn’t easy to sleep in such a confined space.Examples from the Corpusconfined• Groundwater in a confined aquifer is compressed elastically, rather like air in a tyre.• When water flows out from an artesian well in a confined aquifer, none of the pore space drains completely.• It excludes water that will not drain from small pore spaces, saline water, and water in deepconfined aquifers.• In our confinedchamber he seems larger than life, especially standing up.• A confinedgasexerts a constantpressure on the wall of its container uniformly in all directions.• On the other hand, she certainly didn't fancyjoiningFen in the confined space between tiller and cabin.• The design looks awkward, but feels well-balanced, and does allow the drill to be used in very confined spaces.