| Noun | 1. | Synchytriaceae - a fungus family of order Chytridiales fungus family - includes lichen families Chytridiales, order Chytridiales - simple aquatic fungi mostly saprophytic but some parasitic on higher plants or animals or fresh water fungi; sometimes placed in class Oomycetes genus Synchytrium, Synchytrium - simple parasitic fungi including pond scum parasites |