cinnabar moth cin·na·bar·moth uncommon noun 1. large red-and-black European moth; larvae feed on leaves of ragwort; introduced into United States to control ragwort Synonymscinnabarcinnabar mothCallimorpha jacobeae Related words Broader terms arctiid Parts Callimorpha WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
