牝牡

pìnmǔ
male and female

CEDICT

动物的雌性与雄性。

重編國語辭典

Entry Composition

1 牝 pìn
  1. (of a bird, animal or plant) female
  2. keyhole
  3. valley
2 牡 mǔ
  1. (of a bird, animal or plant) male
  2. key
  3. hills

Containing this entry

牝牡骊黄 pìnmǔlíhuáng a black stallion or possibly a yellow mare (idiom); don't judge by outward appearance
骊黄牝牡 líhuángpìnmǔ a black stallion or possibly a yellow mare (idiom); don't judge by outward appearance

Related entries

两性 liǎngxìng
  1. male and female
  2. both types (acid and alkaline, positive and negative etc)
  3. (chemistry) amphoteric
雌雄 cíxióng male and female
男女 nánnǚ
  1. male-female
  2. male and female
男女搭配，干活不累。

When man and woman unite, work is no longer as tiring.

Source: Tatoeba