HERBACEOUS Meaning of HERBACEOUS in English her ‧ ba ‧ ceous /həˈbeɪʃəs $ hɜːrˈbeɪ-, ɜːr-/ BrE AmE adjective technical plants that are herbaceous have soft stems rather than hard stems made of wood Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012