ㄍㄨㄥˇgǒngㄅㄧˋ

  1. 兩手合抱大塊比喻非常珍貴寶物左傳·》:拱璧。」拍案驚奇·》:片紙隻字拱璧一時。」

a flat round jade ornament with a hole at the center, fig. a treasure