A habitat is (1) the natural home of an animal or plant; (2) the sum of the Environmental conditions that determine the existence of a Community in a specific place.

Other definition:
A Habitat is the specific environment in which an organism lives and on which it depends for food and shelter.

Other definition:
A habitat is "The place where a population (e.g., human, animal, plant, microorganism) lives and its surroundings, both living and non-living" (EPA 1992, 14).

Other /More definition:
A habitat is a place where the physical and biological elements of ecosystems provide a suitable environment including the food, cover, and space resources needed for plant and animal livelihood.

---> see also:
"habitat" is in the NAICS Code "11251"
  (Inofficial Code)
  ... fish and other aquatic animals from their natural habitat are classified in Industry 11411, Fishing.

Other definition:
A Habitat is the environment in which an animal lives.

Other definition:
A Habitat is the sum of the physical, chemical, and biological environment occupied by individuals of a particular species, population, or community.

Other definition:
Habitat is the place or type of place where an organism or population of organisms lives. Compare ecological niche.