Meaning

• 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 function within an ecological system to which an organism is especially suited.

• (by extension) Any position of opportunity for which one is well-suited, such as a particular market in business.

• An arrow woven into a prayer rug pointing in the direction of qibla.

Meaning

• To place in a niche.

  "a niched vase"

• To specialize in a niche, or particular narrow section of the market.

Meaning

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

  "niche audience"