Pectus tauri, also known as barrel chest, refers to a condition where the chest appears to be larger and more rounded than usual. There are several synonyms that can be used to describe this condition, including broad-chested, deep-chested, barrel-shaped, and robust. These words are often used to describe individuals with a strong and sturdy chest, such as athletes and weightlifters. In some cases, pectus tauri may be a sign of underlying health issues, such as pulmonary disease or cardiovascular problems. However, it can also simply be a physical characteristic that some people possess naturally.