hab·i·ta·tion 
(hăb′ĭ-tāshən)
(hăb′ĭ-tāshən)n.
1. The act of inhabiting or the state of being inhabited.
2.
a. A natural environment or locality.
b. A residence.
[Middle English habitacioun, from Latin habitātiō, habitātiōn-, from habitātus, past participle of habitāre, to dwell; see HABITABLE.]