The environment of an organism and its adaptive response to that environment.

the place occupied by a species in its ecosystem and its role: where it lives, what it feeds on and when it performs all its activities.

that particular part of the total environment utilized by an organism.

A unique function and place of a species in its ecosystem.

A cavity, hollow, or recess, generally within the thickness of a wall, for a statue, bust, or other erect ornament. Hence, any similar position, literal or figurative.

A shallow recess in a wall designed to contain a statue or some other ornament

Shallow recess in wall for a statue or vase.

a recess in a wall, esp. for a statue

A specialized segment of a market that is usually geared towards one specific purpose.

A distinct segment of a market.

a distinguishable market that can be uniquely served by an eBay retailer who provides this specialized group of customers with products, services and information

a highly specialized segment of the market where demand is high but supply is very low

A focused, targetable part of a market. see also boutique, demographics, market research, mass market, positioning, pure play.

a focused area of concentration

an unmet, underserved, ignored, overlooked, or neglected need of a target group

a product or service that is targeted toward a certain demographic of consumers

a particular specialty in which a business or person finds they prosper

a specialty or subject that you will focus on when deciding what products to offer your customers

a specialty that only a few can provide to the few willing to pay for the service or product

a specialty market. Gay sites are often characterised as niche.

an area of special interest (pets, wine, bodybuilding, etc

a special area of demand for a product or services

a specialized set of customer requirements

a tightly defined group of consumers who are deeply interested in a specialized line of products or services

This term hasn't been defined yet

a more narrowly defined group, typically a small market whose needs are not being well served

a narrowly defined group of potential customers

a tightly defined group of potential customers with a specific want or need

a highly specialized market consisting of people who have a strong passion for a certain area of interest

a narrow category of products that caters to a specific marketplace

a place you go, a perceived opening in the marketplace

a tiny, (highly) specialized marketplace

A subdivision within a motivational category of chain letters. For example, of exchange letters, postcards or recipes may be exchanged. Also a subdivision of the population of recipients (e.g. by gender, age, ethnic identity, language) that manifests in the propagation of varying chain letters with content specialized for this subdivision.

A niche is a category. When talking about gay porn we try put everything into tidy categories to make things easier to find. Twinks, bears, muscle, Asian, Ebony, are all examples of a niche.

a general category for adult content

a small concavity

a small crack which can be opened for maximum advantage

a small gap that exists between supply and demand

an architectural ornament of specific geometrical properties

A specific subject matter.

a field of interest that has been narrowed down to a specific area. For instance, dogs is a field of interest to many people. To further narrow down this field of interest to a specific niche, you might focus on one breed of dogs or perhaps focus on training them for a specific purpose.

a place or person particularly suitable to the person or thing in it

a special place within the scheme of things

a place to store something