Definition of Ascomycetes

Noun: Ascomycetes

Large class of higher fungi coextensive with division Ascomycota: sac fungi
- class Ascomycetes

Noun: ascomycete ,as-ku'mI,seet

Any fungus of the class Ascomycetes (or subdivision Ascomycota) in which the spores are formed inside an ascus
- ascomycetous fungus