niche niche /ˈnɪtʃ/

noun

1. () An enclosure that is set back or indented  ( recess , niche )
   an enclosure that is set back or indented
   
   
2. () A small concavity  ( recess , recession , niche , corner )
   a small concavity
    The kitten curled up in a small corner of the room.
   The kitten curled up in a small corner of the room.
   
   
3. () A position particularly well suited to the person who occupies it  ( niche )
   a position particularly well suited to the person who occupies it
    He found his niche in the academic world
   he found his niche in the academic world
   
4. (ecology) the status of an organism within its environment and community (affecting its survival as a species)  ( ecological niche , niche )
   (ecology) the status of an organism within its environment and community (affecting its survival as a species)