stem — Plants and Trees stem /stem/ noun CEFR A2 The long thin part of a plant that holds it up. “The flower has a thin green stem.” Related words in this scene potplantflowerseedtreegrassleafbranchsoilbushweedgrowfruitvegetableharvestblossomrootpetalbudgardentrunkbarkthornsunlightmeadowpicktalltwigsproutvinepollenmoss Practice this word Create worksheet