(architecture) A cavity, hollow, or recess, generally within the thickness of a wall, for a statue, bust, or other erect ornament. / Any similar position, literal or figurative.

(transitive) To place in a niche. / (transitive, marketing) To specialize in a niche, or particular narrow section of the market.

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

In a niche.

plural of niche

The quality of being highly specialized, or targeting a very small audience or market.

present participle of niche

The finding and exploitation of niche markets.

A relatively small and specialist, yet profitable, market.

plural of niche market