General English

General Science

  • noun a place in an ecosystem which a species has adapted to occupy


  • noun a special place in a market, occupied by one company (a ‘niche company’)


  • A recess in a wall, usually intended for statuary. Often a base and a canopy project out from the wall around the recess.

Information & Library Science

  • noun an area in business which exactly fits the needs of a specialised group

Media Studies

  • adjective referring to something highly specific, that is relevant to only a small section of the population
  • noun an area of the market specialising in one type of product or service