genus Omphalotus ge·nu·somp·halotus uncommon noun 1. a genus of mushrooms with a depressed disc in the cap SynonymsOmphalotusgenus Omphalotus Related words Broader terms fungus genus Parts Tricholomataceae Part of jack-o-lantern fungus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
