male (of animals or plants); when applied to humans it is often archaic or literary.
雄のライオンは立派なたてがみを持っている。
The male lion has an impressive mane.
この種では雄がより色鮮やかだ。
In this species the males are more brightly colored.
花を観察して、雄花と雌花を区別した。
I observed the flowers and distinguished the male flowers from the female ones.
manly; brave; heroic—often appears in forms like '雄々しい'.
彼は雄々しく振る舞い、周囲から尊敬された。
He behaved bravely and was respected by those around him.
英雄は雄と称えられた。
The hero was praised as courageous/manly.
a prefix-like use indicating the larger or primary of two; a rare usage.
この山には雄滝と雌滝があり、雄滝の方が高さがある。
This mountain has an 'male waterfall' and a 'female waterfall', and the male waterfall is taller.
man; male (archaic). Seen in classical or literary contexts.
古い物語の書き出しに、『雄は山へ向かった』とある。
In the beginning of the old tale it says, 'The man went toward the mountain.'
husband (archaic); in old writings '雄' may be used to mean husband.
古文献には時折、妻が『雄』に言及する記述が見られる。
In old documents, you can occasionally find passages where a wife refers to her husband as '雄'.