Home › Words › S › subnichesubnichesubniche · noun — A niche making up part of a larger niche.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, subniche ranks #25,850 of 42,862 for Qualifying.EtymologyFrom sub- + niche.nounA niche making up part of a larger niche.Definitions & examples from Wiktionary (CC BY-SA 3.0).