日本語WordNet
a position particularly well suited to the person who occupies it; "he found his niche in the academic world"
a small concavity
an enclosure that is set back or indented
(ecology) the status of an organism within its environment and community (affecting its survival as a species)
JMdict
AIによる解説
A recess in a wall for a statue or ornament; a comfortable or suitable position; in business, a specialized market segment.
ライセンス: KeyLang Original
Competition occurs when two species occupy the same ecological niche.
二つの種が同じ生態的地位を占めると競争が起こる。
Sympatry can lead to competition or the development of different ecological niches.
同所性は競争や異なる生態的ニッチの発達につながることがあります。
Tenrecs have adapted to various ecological niches in Madagascar.
テンレックはマダガスカルの様々な生態的ニッチに適応している。
Pronunciation data from ipa-dict (MIT License) based on cmudict-ipa by @lingz