vivarium
noun /vaɪˈveəriəm/,  /vɪˈveəriəm/
  /vaɪˈveriəm/,  /vɪˈveriəm/
(plural vivaria 
 /vaɪˈveəriə/,  /vɪˈveəriə/
  /vaɪˈveriə/,  /vɪˈveriə/
)- a container for keeping live animals in, especially for scientific studyWord Originearly 17th cent.: from Latin, literally ‘warren, fish pond’, from vivus ‘living’, from vivere ‘to live’.