Added 8 October 2026 quarteroon noun Categories: Obscure Words noun ! Definition from Wiktionary (CC BY-SA). More about quarteroon at Wordnik → Where our words come from → Obsolete form of quadroon. Related Words: quateronquatroonquadrauntquadranquarternquarterquartsquadronequadrantquarronquarronsquarteer Back to today's word