What's the Difference Between a Couch and a Sofa? | Apartment Therapy

Here on Apartment Therapy, we tend to use "sofa" and "couch" interchangeably to refer to the place where you might entertain friends or plop down with a blanket for a Netflix marathon. But do the two words really mean the same thing? Where did they come from? And what, then, are a settee and a loveseat? #couch #sofa
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