订书钉 Traditional form: 訂書釘 Pinyin (reading): dìngshūdīng Definitions: staple (stationery) Characters: 订 - to make an order; to draw up an agreement 书 - book, letter, document; writing 钉 - nail, spike Traditional characters: 訂 - to make an order; to draw up an agreement 書 - book, letter, document; writing 釘 - nail, spike