vivarium
From Longman Dictionary of Contemporary EnglishRelated topics: Animalsvivariumvi‧var‧i‧um /vaɪˈveəriəm $ -ˈver-/ noun [countable] HBAa place indoors where animals are kept in conditions that are as similar as possible to their natural environmentExamples from the Corpusvivarium• Now I use their old vivarium to rear owls in.• The vivarium and aquarium soon followed, with parallel changes in fashion.