[niche] n [F, fr. MF, fr. nicher to nest, fr. (assumed) VL nidicare, fr. L nidus nest--more at nest] (1611) 1 a: a recess in a wall esp. for a statue b: something that resembles a niche
2. a: a place, employment, status, or activity for which a person or thing is best fitted b: a habitat supplying the factors necessary for the existence of an organism or species c: the ecological role of an organism in a community esp. in regard to food consumption d: a specialized market
[2]niche vt niched ; nich.ing (1752): to place in or as if in a niche