noun (n)

• the native habitat or home of an animal or plant(noun.location)

  source: wordnet30
• housing that someone is living in(noun.artifact)

  Synonym:
  abode, domicile, dwelling, dwelling house, home
  

  source: wordnet30
• the act of dwelling in or living permanently in a place (said of both animals and men)(noun.act)

  Example:
  He studied the creation and inhabitation and demise of the colony.
  

  Synonym:
  inhabitancy, inhabitation
  

  source: wordnet30
• The act of inhabiting; state of inhabiting or dwelling, or of being inhabited; occupancy.(noun)

  source: webster1913