Home › Words › M › mazzardmazzardmazzard · noun — A sweet cherry, Prunus avium, especially when used as rootstock.Definition from Wiktionary (CC BY-SA 3.0).EtymologyProbably a variant of mazard.nounA sweet cherry, Prunus avium, especially when used as rootstock.Definitions & examples from Wiktionary (CC BY-SA 3.0).