I actually call this a "couch", as you probably do, but in the interior design world, it's a sofa.  I met a Canadian when I was in 5th grade who called it a Chesterfield, which I happened to remember because it was such a fancy term for a couch.  Turns out a Chesterfield is actually a particular style of couch rooted in furniture history, but we're not going into that kind of depth in this post ... View Post