1. (

• niche

) a position particularly well suited to the person who occupies it; "he found his niche in the academic world" ;

2. (

• recess ,
• recession ,
• niche ,
• corner

) a small concavity ;

3. (

• recess ,
• niche

) an enclosure that is set back or indented ;

4. (

• niche ,
• ecological_niche

) (ecology) the status of an organism within its environment and community (affecting its survival as a species) ;