A Roman edifice with mosaic refers to a structure from ancient Rome that features intricate mosaic artwork. These mosaics were created using small pieces of colored glass, stone, or ceramic, arranged to form decorative patterns or images. They often adorned floors, walls, and ceilings, showcasing scenes from mythology, daily life, or nature. Mosaics were a popular form of art in Roman society, reflecting the wealth and status of the property owner. Notable examples can be found in sites like the Villa Romana del Casale in Sicily and the Basilica of San Vitale in Ravenna, which highlight the craftsmanship and cultural significance of this art form.