What is "zilin"

The (c. 350) Zilin 字林 or Forest of Characters was a Chinese dictionary compiled by the Jin dynasty (265–420) lexicographer Lü Chen 呂忱. It contained 12,824 character head entries, organized by the 540- radical system of the Shuowen Jiezi. In the history of Chinese lexicography, the Zilin followed the (121) Shuowen Jiezi (with 9,353 character entries) and preceded the (c. 543) Yupian (with 12,158 entries).