bud — Plants and Trees bud /bʌd/ noun CEFR A2 A small part of a plant before it opens into a flower or leaf. “The bud will open into a flower soon.” Related words in this scene potplantflowerseedtreegrassleafbranchsoilbushweedgrowfruitvegetableharvestblossomrootstempetalgardentrunkbarkthornsunlightmeadowpicktalltwigsproutvinepollenmoss Practice this word Create worksheet