For families and friends gathering for Thanksgiving dinner this year, chances are that many of them will gather at some point in rooms called the “dining room.”
For most middle-class Americans, maintaining a formal dining room for ritualized forms of entertainment popular decades ago is no longer especially popular.
Yet, most homes still have a room separate from the kitchen for meals with larger gatherings or when the entire immediate family assembles. A 2016 survey, for example, suggested that 78 percent of American homes have a dining room.
Unlike with bedrooms and kitchens, however, interior designers and…