Definition of niche noun from the Oxford Advanced Learner's Dictionary

     

    niche

     noun
    noun
    BrE BrE//niːʃ//
     
    ; NAmE NAmE//niːʃ//
     
    ; BrE BrE//nɪtʃ//
     
    ; NAmE NAmE//nɪtʃ//
     
    Economy, Architectural features
     
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  1. 1a comfortable or suitable role, job, way of life, etc. He eventually found his niche in sports journalism.
  2. 2(business) an opportunity to sell a particular product to a particular group of people They spotted a niche in the market, with no serious competition. a niche market the development of niche marketing (= aiming products at particular groups) See related entries: Economy
  3. 3a small hollow place, especially in a wall to contain a statue, etc., or in the side of a hill synonym nook The niche was just big enough to hold two small candles. I found a niche in the rock and sat and watched while the sun rose and filled the valley with light. See related entries: Architectural features
  4. 4(biology) a position or role taken by a kind of living thing within its community. Different living things may occupy the same niche in different places, for example antelopes in Africa and kangaroos in Australia. Within each niche, similar animals avoid competing with each other.
  5. Word Origin early 17th cent.: from French, literally ‘recess’, from nicher ‘make a nest’, based on Latin nidus ‘nest’.Extra examples He had found his own little niche in life. He saw a niche in the market and exploited it. Mammals moved into the niche left vacant by the disappearance of the dinosaurs. She’s carved out quite a niche for herself in fashion design. There’s a niche for a small stylish car. These animals are moving into the niche left vacant by the disappearance of the big predators. a film intended for a niche audience women who dared question their niche in society
See the Oxford Advanced American Dictionary entry: niche