Xu Collection, Upper Volume Radical: Metal (jīn) Key (yào) Kangxi stroke count: 25 Page 1326, Entry 31 Broad Rhymes (Guangyun): Pronounced yue Collected Rhymes (Jiyun), Rhymes of the Empire (Yunhui), and Orthodox Rhymes (Zhengyun): Pronounced yue Explained Characters (Shuowen): Originally written as a variant. It is the male part of a latch. Yangzi Dialect Dictionary (Fangyan): A door lock; from the passes westward, it is called a lock. Master Who Embraces Simplicity (Baopuzi), Chapter on Ultimate Principles (Zhilijuan): Secure the jade lock at the gate of life, and bind the Northern Pole at the Yellow Court. Also used interchangeably with the character for flute (yue). Strategies of the Warring States (Zhanguoce): The ruler of Qi went to Lu, and the people of Lu threw away his keys, so he could not enter. Records of the Grand Historian (Shiji), Biography of Chancellor Xiao: When the High Ancestor went on campaigns, he always remained behind to guard the keys and locks. Also means to enter. Masters of Huainan (Huainanzi), Teachings on the Source of the Way (Yuandaoxun): Push open the palace gates, lock the gates of heaven. Commentary: Lock means to enter.