bast Syllabification: (bast)Pronunciation: /bast/Definition of bast noun (also bast fiber) fibrous material from the phloem of a plant, used as fiber in matting, cord, etc.. Botany the phloem or vascular tissue of a plant. Origin: Old English bæst; related to Dutch bast, German Bast; of unknown originbast in other Oxford dictionaries Definition of bast in the British & World English dictionary
