noun
male and female (animals)
A formal or literary term for the two sexes of animals, similar to 雌雄 (しゆう). Rare in modern everyday speech; typically found in older texts or specialized discussions.
See also: 雌雄 (しゆう)
古典では、牝牡の別を論じる場面がある。
In classical literature, there are passages discussing the distinction between male and female animals.