Solarium may refer to: Sunroom, a room built largely of glass to afford exposure to the sun. A Terrace (building) or flat housetop. The Solarium Augusti, a monumental meridian line (or perhaps a sundial) erected in Rome by Emperor Augustus.
Noun. 1. cavity wall-a wall formed of two thicknesses of masonry with a space between them. wall-an architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure; the south wall had a small window; the walls were covered with pictures.
Noun. 1. buccal cavity-the cavity between the jaws and the cheeks. mouth, oral cavity, oral fissure, rima oris-the opening through which food is taken in and vocalizations emerge; he stuffed his mouth with candy.oun. 1. buccal cavity-the cavity between the jaws and the cheeks. mouth, oral cavity, oral fissure, rima oris-the opening through which food is taken in and vocalizations emerge; he stuffed his mouth with candy.