big; large; great; vast; high in scale or intensity; (of a person) old; adult

A major Chinese dynasty (960–1279), divided into the Northern and Southern Song periods

to rewrite or edit a text, such as a book, a history, or a record

Guangyun; an influential Chinese rime dictionary completed in 1008 during the Song Dynasty, serving as a primary source for the study of Middle Chinese phonology. It is also known by the full title 大宋重修广韵 dà​sòng​chóng​xiū​guǎng​yùn.