甲

jiǎ ㄐㄧㄚˇ

1. • first of the ten Heavenly Stems 十天干[shi2 tian1 gan1]
2. • (used for an unspecified person or thing)
3. • first (in a list, as a party to a contract etc)
4. • letter "A" or roman "I" in list "A, B, C", or "I, II, III" etc
5. • armor plating
6. • shell or carapace
7. • nail

     of the fingers or toes

8. • bladed leather or metal armor (old)
9. • ranking system used in the Imperial examinations (old)
10. • civil administration unit in the baojia 保甲[bao3 jia3] system (old)
11. • ancient Chinese compass point: 75°