Wiktionary
vb. (context idiomatic of two persons English) To join together in marriage; to develop a unifying bond as a result of marrying.
Usage examples of "become one flesh".
Called silently, my mind to hers, as I was able to do since we had partially become one flesh.
The marriage means the two that are one, the two become one flesh.
The language of the rite-the two shall become one flesh, it says, and there is reason for that.
Instead let us look for our redemption in the present, where it can be found, let us put aside our hate and our divisions and become one flesh and blood, one body.
Not me, not you, but what we are, who we are together Sister Carlotta quoted somebody in the Bible about how a man and a woman marry and they become one flesh.
Sister Carlotta quoted somebody in the Bible about how a man and a woman marry and they become one flesh.