Skeleton/ˈskelɪtn/ Definition 1 of 5Pro Tip 1/3Anatomical Term Refers to all the bones in a body, often used in education and science. Biology students study the human skeleton in detail. Pro Tip 2/3Not Always Complete In conversation, 'skeleton' may mean a full set or just part of the bones. Archaeologists discovered a dinosaur skeleton missing its skull. Pro Tip 3/3Metaphorical Use Used in expressions to refer to the most basic form of something. We will prepare a skeleton of the proposal for now.