Definitions
1.NounA cavity, hollow, or recess, generally within the thickness of a wall, for a statue, bust, or other erect ornament.
2.NounAny similar position, literal or figurative.
3.NounSpecifically, a cremation niche; a columbarium.
4.NounA function within an ecological system to which an organism is especially suited.
5.NounAny position of opportunity for which one is well-suited, such as a particular market in business.
6.NounAn arrow woven into a prayer rug pointing in the direction of qibla.
7.VerbTo place in a niche."a niched vase"
8.VerbTo specialize in a niche, or particular narrow section of the market.
9.AdjectivePertaining to or intended for a market niche; having specific appeal; obscure."niche products; niche audience"