Tilletiaceae til·le·tia·ceae uncommon noun 1. a family of smut fungi having a simple promycelium bearing the spores in an apical cluster Synonymsfamily Tilletiaceae Related words Broader terms fungus family Parts Ustilaginales Part of TilletiaUrocystis WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
