牝牡

Traditional form:

牝牡

Pinyin (reading):

pìnmǔ

Definitions:

• male and female

Characters:

• 牝 - female animal; keyhole; valley
• 牡 - male animal; key, door bolt

Traditional characters:

• 牝 - female animal; keyhole; valley
• 牡 - male animal; key, door bolt