niche

n. small alcove, recess; good position, place that is suitable for someone or something; function or role of an organism within an ecosystem (Ecology)

Niche may refer to:Niche (architecture), an exedra or an apse that has been reduced in sizeEcological niche, a term describing the relational position of a species or population in an ecosystemNiche market, a focused, targetable portion (subset) of a market sectorGrupo Niche, a Colombian salsa band
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Noun
1. a position particularly well suited to the person who occupies it; "he found his niche in the academic world"
(hypernym) place, station
2. a small concavity
(synonym) recess, recession, corner
(hypernym) concave shape, concavity, incurvation, incurvature
(hyponym) pharyngeal recess
3. an enclosure that is set back or indented
(synonym) recess
(hypernym) enclosure
(hyponym) alcove, bay
4. (ecology) the status of an organism within its environment and community (affecting its survival as a species)
(synonym) ecological niche
(hypernym) condition, status
(classification) ecology, bionomics, environmental science

n. niche, alcove; prank; recess

v. nest, hang out

(n.)
A cavity, hollow, or recess, generally within the thickness of a wall, for a statue, bust, or other erect ornament. hence, any similar position, literal or figurative.