a domineering husband; a husband who runs the household and dominates his wife (often used negatively).
彼は亭主関白で、家庭のことは全部自分の決めたとおりにしたがる。
He is a domineering husband who wants to decide everything about the household.
冗談で『うちの夫は亭主関白だ』と言うことはあるが、最近はパートナーシップを重視する家庭も多い。
People sometimes jokingly say 'my husband is a domineering husband,' but recently many households value partnership.
彼女は亭主関白な夫に反発して、話し合いで役割を見直した。
She pushed back against her domineering husband and renegotiated roles through discussion.