n. & v.
--n.
1. a shallow recess, esp. in a wall to contain a statue etc.
2 a comfortable or suitable position in life or employment.
3 an appropriate combination of conditions for a species to thrive.
--v.tr. (often as niched adj.)
1. place in a niche.
2 ensconce (esp. oneself) in a recess or corner.
Etymology: F f. nicher make a nest, ult. f. L nidus nest