Quote Originally Posted by Pembroke_Corgi
I say couch and sofa, although I've also heard people call them "davenports."
Bobcat does that. Davenports or Divan - "A long backless sofa, especially one set with pillows against a wall." It's such an old-fashioned word. I'd call it a couch. No, I don't think it has a negative connotation.