home l Roman Dvortsov lounge [lounj] –noun 1. a sofa for reclining, sometimes backless, having a headrest at one end. 2. a place for sitting, waiting, smoking, etc., esp. a large public room, as in a hotel, theater, or air terminal, often with adjoining washrooms. 3. a section on a train, plane, or ship having various club or social facilities. 4. a cocktail lounge. a b c d e f g h i j k l m n o p q r s t u v w x y z light-meter lightning litter line loose lolita lonely lost love lounge living-room