板书 Traditional form: 板書 Pinyin (reading): bǎnshū Definitions: to write on the blackboard writing on the blackboard Characters: 板 - board, plank; plate, slab; unnatural, stiff 书 - book, letter, document; writing Traditional characters: 板 - board, plank; plate, slab; unnatural, stiff 書 - book, letter, document; writing