脊背

Traditional form:

脊背

Pinyin (reading):

jǐbèi

Definitions:

• back (of a human or other vertebrate)

Characters:

• 脊 - spine, backbone; ridge
• 背 - back, backside; to betray, to violate

Traditional characters:

• 脊 - spine, backbone; ridge
• 背 - back, backside; to betray, to violate