1 fingernail

1 first of the ten Heavenly Stems 十天干[shí tiān gān]

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 (of the fingers or toes) nail

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[bǎo jiǎ] system (old)

11 ancient Chinese compass point: 75°

1 Serie A, the top division of the Italian football league system

1 nail polish

1 nail clipper

1 to sleep on one's armor with a spear as a pillow (idiom)

2 to keep ready for battle at all times

1 to rest weapons and loosen armor (idiom); to relax from fighting

1 to put down weapon and let soldiers rest (idiom); to relax from fighting

1 one man's meat is another man's poison (idiom)

1 to be pregnant (idiom)