Sitting room

Near-synonyms: living room, living-room, parlour, parlor, lounge (esp. UK), loungeroom, lounge room (esp. Australia), front room, drawing room

“[…] Captain Markam had been found lying half-insensible, gagged and bound, on the floor of the sitting-room, his hands and feet tightly pinioned, and a woollen comforter wound closely round his mouth and neck ; whilst Mrs. Markham's jewel-case, containing valuable jewellery and the secret plans of Port Arthur, had disappeared.[…]”