NICHE

noun

1. 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.
2. A function within an ecological system to which an organism is especially suited.
3. (by extension) Any position of opportunity for which one is well-suited, such as a particular market in business.

verb

1. To place in a niche.
2. To specialize in a niche, or particular narrow section of the market.

adjective

1. Pertaining to or intended for a market niche; having specific appeal.