棕绷 Traditional form: 棕繃 Pinyin (reading): zōngbēng Definitions: rectangular frame with a palm fiber mat woven across it (placed on a bed frame as the sleeping surface) Characters: 棕 - hemp palm; palm tree 绷 - to bind, to strap, to draw firm Traditional characters: 棕 - hemp palm; palm tree 繃 - to bind, to strap, to draw firm