A husband or groom (especially the bridegroom at a wedding); a man who marries into a family.
花婿は白いタキシードを着ていた。
The groom was wearing a white tuxedo.
彼は先月、親戚の娘の婿になった。
He became the son-in-law of a relative's family last month.
古い家では、婿に入るという言い方をすることがある。
In traditional families, one sometimes says a man 'enters as a son-in-law' (moves into the wife's family).
One's son-in-law — the man who married one's daughter.
彼は私の婿なので、家族としてよく相談する。
He's my son-in-law, so we often consult with him as family.
婿の世話をするのは、嫁の家族の役割と考えられることもある。
Caring for the son-in-law is sometimes seen as the wife's family's responsibility.