Aglaonema modestum ag·lao·ne·mamodestum uncommon noun 1. erect or partially climbing herb having large green or variegated leaves SynonymsChinese evergreenJapanese leafAglaonema modestum Related words Broader terms houseplant Parts Aglaonema WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.