| Noun | 1. | temporal bone - a thick bone forming the side of the human cranium and encasing the inner earglenoid fossa, mandibular fossa - a deep concavity in the temporal bone at the root of the zygomatic arch that receives the condyle of the mandible tympanic bone - the bone enclosing the middle ear mastoid, mastoid bone, mastoid process, mastoidal - process of the temporal bone behind the ear at the base of the skull styloid process - extends from the base of the temporal bone |