niche

A recess in a wall, as for holding a statue or urn.

A cranny, hollow, or crevice, as in rock.

A situation or activity specially suited to a person’s interests, abilities, or nature.

A special area of demand for a product or service.

The function or position of an organism or population within an ecological community.

The range of environmental conditions within which the members of a given species can survive and reproduce.

To place in a niche.

To furnish with a niche or with niches.