bosom of one's family

児童の読み物 "The Witches" の中の一文です。
I think it's time we retured this little fellow to the bosom of his family.
"bosom" と言うと胸を思い起こすのですが深く考えず直ぐ辞書を引きます。
OneLook Quick Definitions: a close affectionate and protective acceptance ("In the bosom of the family")
Dictionary.com: a state of enclosing intimacy; warm closeness: the bosom of the family.
これからは "bosom of the family"で直ぐに幸せな家庭を思い起こしましょう。