[1] : The Collaborative International Dictionary of English v.0.48

habitat \hab"itat\ ha^b"i^ta^t, n. l., it dwells, fr.
   habitare. see habit, v. t.
   1. biol. the natural abode, locality or region of an animal
      or plant.
      1913 webster

   2. place where anything is commonly found.
      1913 webster

            this word has its habitat in oxfordshire. --earle.
      1913 webster
see also:
habit 

[2] : WordNet (r) 2.0

habitat
     n : the type of environment in which an organism or group
         normally lives or occurs; "a marine habitat"; "he felt
         safe on his home grounds" syn: home ground
see also:
home ground 

[3] : Moby Thesaurus II by Grady Ward, 1.0

45 moby thesaurus words for "habitat":
   abode, alentours, ambience, ambit, bailiwick, borderlands, circle,
   circuit, circumambiencies, circumjacencies, circumstances, compass,
   context, domain, element, entourage, environing circumstances,
   environment, environs, gestalt, haunt, home, locale, locality,
   milieu, native environment, neighborhood, outposts, outskirts,
   perimeter, periphery, precincts, purlieus, range, realm, site,
   situation, stamping ground, suburbs, surroundings, terrain,
   territory, total environment, vicinage, vicinity

[4] : The Free On-line Dictionary of Computing (27 SEP 03)

habitat
     
         the original term for on-line graphical
        virtual communities or worlds.  created at lucasfilm in 1985
        by randy farmer and chip morningstar.
     
        http://www.communities.com/habitat.html.
     
        1996-06-12
     
     
see also:
virtual communities lt;http://www.communities.com/habitat.htmlgt; 

Habitat >> H Words
Habitat, definition of term: Habitat
habitat_pag1.html