trunk — Plants and Trees trunk /trʌŋk/ noun CEFR A2 The thick main stem of a tree. “The trunk of the tree is very wide.” Related words in this scene potplantflowerseedtreegrassleafbranchsoilbushweedgrowfruitvegetableharvestblossomrootstempetalbudgardenbarkthornsunlightmeadowpicktalltwigsproutvinepollenmoss Practice this word Create worksheet