/ˈkɒmən lɔː ˈhʌzbənd/ – Phrase
Definition: Người chồng theo pháp luật thông thường
A more thorough explanation: a man who is not officially a husband but is considered to be one in some countries because he has been living with his partner for a long time
Example: Her common-law husband has contributed substantially to the mortgage payments on the house.