Niche - Definition
niche
n 1: a position particularly well suited to the person who
occupies it; "he found his niche in the academic world"
2: a small concavity [syn: recess, recession, niche,
corner]
3: an enclosure that is set back or indented [syn: recess,
niche]
4: (ecology) the status of an organism within its environment
and community (affecting its survival as a species) [syn:
niche, ecological niche]