root — Plants and Trees root /ruːt/ noun CEFR A1 The part of a plant that grows under the ground. “The root of the tree grows deep into the soil.” Related words in this scene potplantflowerseedtreegrassleafbranchsoilbushweedgrowfruitvegetableharvestblossomstempetalbudgardentrunkbarkthornsunlightmeadowpicktalltwigsproutvinepollenmoss Practice this word Create worksheet