vi·var·i·um 
(vī-vârē-əm)
(vī-vârē-əm)n. pl. vi·var·i·ums or vi·var·i·a (-ē-ə)
A place, such as an enclosure or facility, used for keeping living animals for observation or research.
[Latin vīvārium, from neuter of vīvārius, of living creatures, from vīvus, alive; see VIVIFY.]