1. [ noun ] a small concavity
Synonyms: corner recession recess
Related terms: concavity pharyngeal_recess corner
2. [ noun ] an enclosure that is set back or indented
Synonyms: recess
Related terms: enclosure fireplace apse cinerarium alcove mihrab recess
3. [ noun ] a position particularly well suited to the person who occupies it

"he found his niche in the academic world"

Related terms: place
4. [ noun ] (ecology) the status of an organism within its environment and community (affecting its survival as a species)
Synonyms: ecological_niche
Related terms: condition ecology
Similar spelling:   niece