vivarium
noun [ C ] uk/vaɪˈveə.ri.əm/ us/vaɪˈver.i.əm/ vivaria /vaɪˈveə.ri.ə/ /vaɪˈver.i.ə/
（模拟动植物自然环境的）小动物饲养箱（通常前面一面是玻璃，尤其用来饲养小爬行动物）
a container, often with a glass front, in which small animals, especially small reptiles, are kept as pets or so that they can be studied