Eurotiales eu·ro·tia·les uncommon noun 1. order of fungi having a closed ascocarp (cleistothecium) with the asci scattered rather than gathered in a hymenium Synonymsorder EurotialesAspergillalesorder Aspergillales Related words Broader terms fungus order Parts Plectomycetes Part of EurotiumAspergillaceae WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.