female
あの犬はオスかメスか。
Is that dog male or female?
ずっと前、犬は全部オスで、猫は全部メスだと思ってた。
A long time ago, I thought all dogs were male and all cats were female.
オスか メスか？
Male or female?
— 甘い生活 (1960)
メスだった。
It was female.
メス猫を飼ってるんだ。
I have a female cat.