👉 In mathematics, a manubrium is a term used to describe the area of a part of a sphere that surrounds an object. The term "manubrium" comes from the Greek word for "sphere." It's often associated with the concept of spherical symmetry and has been used in various mathematical contexts. The manubrium is a geometric property that can be defined as the total surface area around an object, including both its surface and its interior. In other words, it represents the sum of