The phrase "family couch" refers to a sofa or couch that is typically used and shared by all members of a family. It symbolizes a common space where family members gather, spend time together, and create memories. Full definition
The seats in front of us weren't sold as family couch. (seatguru.com)
I took economy family couch, and, it was great! (seatguru.com)
At some point I'd love to invest in a gorgeous mid-century piece (like this), but for now, we're loving our comfortable family couch. (theeverygirl.com)