family Saccharomycetaceae fa·mi·ly·saccharomycetaceae uncommon noun 1. family of fungi comprising the typical yeasts: reproduce by budding and ferment carbohydrates SynonymsSaccharomycetaceaefamily Saccharomycetaceae Related words Broader terms fungus family Parts Endomycetales Part of Saccharomyces WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.