The term metamour is poly lingo for your partners partner. This could refer to a serious relationship or something much more casual.
The ins and outs of having a partner with other partners Simply put, a metamour is your partners other partner. For example, my girlfriends husband is my metamour.
What are the different types of polyamory?
Types of Polyamorous RelationshipsVee. A vee relationship involves one person who is dating two people who are not romantically or sexually involved with each other. Triad. Quad. Hierarchical Polyamory. Non-hierarchical Polyamory. Solo Polyamory. Kitchen Table Polyamory. Parallel Polyamory.More items •26 Mar 2021