The phrase "law husband" refers to a man who is not legally married but is in a long-term committed relationship that resembles a marriage. Full definition
What does your common law husband think of your wardrobe / lean closet? (stylebee.ca)
The case involved an application that money advanced by the applicant to her daughter and her daughter's common law husband for the purchase of a... (allanrouben.com)
I'm looking to get life insurance for my common law husband. (termlife2go.com)