Formal term for a person who arranges marriages or acts as an intermediary in formal introductions. Often used in traditional or ceremonial contexts. Compare with 仲人 (なこうど), which is more common in everyday language.
See also: 仲人
Her parents met through a matchmaker.
結婚式では媒酌人が新郎新婦を紹介した。
At the wedding, the go-between introduced the bride and groom.