undershrub From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounA low-growing shrub. Related wordsSynonymsundershrubberysubshrubshrubletshrubsrubsuffrutexshrabshrubberybushundergrowtharbustshrubwoodarboretsweetshrubshrub linethornshrub References Wiktionary — undershrub Wikipedia — undershrub