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.
thoracic cavity. Definitions: 1. the space within the thoracic walls, bounded below by the diaphragm and above by the base of the neck or superior thoracic aperture. Synonyms: cavitas thoracica/thoracis, cavum thoracis. The definition information for thoracic cavity is provided by Stedman's.You can search our medical dictionary here.efinitions: 1. the space within the thoracic walls, bounded below by the diaphragm and above by the base of the neck or superior thoracic aperture. Synonyms: cavitas thoracica/thoracis, cavum thoracis. The definition information for thoracic cavity is provided by Stedman's.