|niche (nɪtʃ, niːʃ)|
|1.||a recess in a wall, esp one that contains a statue|
|2.||any similar recess, such as one in a rock face|
|3.||a position particularly suitable for the person occupying it: he found his niche in politics|
|4.||(modifier) relating to or aimed at a small specialized group or market|
|5.||ecology the role of a plant or animal within its community and habitat, which determines its activities, relationships with other organisms, etc|
|6.||(tr) to place (a statue) in a niche; ensconce (oneself)|
|[C17: from French, from Old French nichier to nest, from Vulgar Latin nīdicāre (unattested) to build a nest, from Latin nīdus|
niche (nĭch, nēsh)
An eroded or ulcerated area detected by contrast radiography.
The function or position of an organism or a population within an ecological community.
The particular area within a habitat occupied by an organism.
|niche (nĭch, nēsh) Pronunciation Key
The function or position of a species within an ecological community. A species's niche includes the physical environment to which it has become adapted as well as its role as producer and consumer of food resources. See also competitive exclusion principle.