noun
hen-pecked husband; wife-fearing husband
A humorous or self-deprecating term for a husband who is dominated by or afraid of his wife. Often used in light-hearted contexts.
彼は典型的な恐妻家で、奥さんに頭が上がらない。
He's a typical hen-pecked husband who can't stand up to his wife.
うちの父は恐妻家だから、母の言うことは絶対だ。
My dad is so wife-fearing that whatever Mom says goes.
かかあ天下 describes a household where the wife holds the power, whereas 恐妻家 focuses on the husband's fearful attitude.
Compound of 恐 (きょう, 'fear'), 妻 (さい, 'wife'), and 家 (か, 'person with a certain trait'). The reading きょうさい is the on'yomi of the kanji.