masculine, male, hero, leader, superiority, excellence

雄のくじゃくは尾の羽毛が色彩豊かである。

The male peacock has colorful tail feathers.

あの犬はオスかメスか。

Is that dog male or female?

犬は３匹いますが、１匹が雄であとは雌です。

I have three dogs; one is male and the others are female.

谷雄がそのパーティーに出席していた。

Mr Tani and his wife were present at that party.

雌の鵞鳥のソースになるものは雄の鵞鳥のソースにもなる。

What is sauce for the goose is sauce for the gander.

４月に孵化した雛も５ヶ月になった。身体の大きさは親鳥とほぼ同じ、オス鳥のとさかが少し小さいぐらいか。

The chicks hatched in April have also become 5 months old. Their bodies are about the same size as their parents, about the only difference is that the roosters have smaller crests than their father.

ワニは暑い天候ではオスの子供しか生まないので、子供を産むメスがいなくなるという理由で、これもまた絶滅するかもしれない。

The crocodile, which produces only male young in hotter weather, might die out too because there will be no females to breed.