Definition - What does Poly Family mean?
A poly family is a family composed of individuals involved in a polyamorous relationship or the children of polyamorous individuals. The families may or may not be legally bound together.
Kinkly explains Poly Family
Poly families are similar to blended families, but the parents continue to share a sexual relationship. Some individuals argue that this type of family structure is an inappropriate environment to raise children in, but there is no evidence to support this claim.