A skull fracture is a break in one or more of the eight bones that form the cranial portion of the skull, usually occurring as a result of blunt force trauma. If the force of the impact is excessive, the bone may fracture at or near the site of the impact and cause damage to the underlying physical structures contained within the skull such as the... Found on http://en.wikipedia.org/wiki/Skull_fracture
<orthopaedics> A injury to the cranium with sufficient force to fracture one of the bones with comprise the skull. The temporal bone is the most often fractured. ... See: head injury. ... (27 Sep 1997) ... Found on http://www.encyclo.co.uk/local/20973