genus Catha ge·nus·catha uncommon noun 1. a genus of African evergreen shrubs characterized by thick leaves and white flowers SynonymsCathagenus Catha Related words Word family genus Catharactagenus Catharanthusgenus Cathartesgenus Cathaya Broader terms gymnosperm genus Parts Celastraceae Part of Catha edulis WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
