Definitions for "Compression fracture"
an injury to the spine in which one or more vertebrae collapse. If the collapse is only in the front part of the spine, it becomes wedge shaped and is called a compression fracture or wedge fracture. However, if the vertebral body is crushed in all directions it is called a burst fracture.
fracture in which the bone collapses (especially in short bones such as vertebrae)
a break in the vertebral body of the bone often due to the loss of bony mass that occurs in osteoporosis