(literary) Used to describe pregnancy, specifically in the idiom 身怀六甲 shēn​huái​liù​jiǎ

the six combinations of the Ten Heavenly Stems and Twelve Earthly Branches starting with Jia (甲子 jiǎ​zǐ, 甲寅 jiǎ​yín, 甲辰 jiǎ​chén, 甲午 jiǎ​wǔ, 甲申 jiǎ​shēn, 甲戌 jiǎ​xū)

Name of various places, including Liujia District in Tainan City, Taiwan

(Taoism) Powerful male deities commanded by the Jade Emperor who can be summoned to expel evil spirits

(archaic) A group of six stars near the celestial pole used in ancient Chinese astronomy to track seasons

(Taoism) a form of divination or sorcery using the five elements and cyclical characters, used for concealment or warding off spirits

(archaic) a general term for basic literacy and calculation materials taught to children in ancient China