What does 家内 mean?
家内 is a Japanese noun meaning “(one's own) wife” in English. It can also be translated as “inside the home” depending on context. It is written as 家内 in kanji, かない in hiragana, and kanai in romaji. This word is part of JLPT N4 vocabulary.
Example sentence
家内は海外旅行中で、よく電話をかけてくる。
My wife often rings me up, while she travels abroad.