Толковый словарь английского языка - niche

I. noun see: nest Date: 1611 1. a recess in a wall especially for a statue, something that resembles a ~, 2. a place, employment, status, or activity for which a person or thing is best fitted , a habitat supplying the factors necessary for the existence of an organism or species, the ecological role of an organism in a community especially in regard to food consumption, a specialized market, II. transitive verb (~d; niching) Date: 1752 to place in or as if in a ~