skull

n. bony framework that encloses the brain and forms the head and face in vertebrates; mind, brain

The skull is a bony structure found in many animals which serves as the general framework for the head. The skull supports the structures of the face and protects the head against injury. The skull can be subdivided into two parts: the cranium and the mandible. A skull that is missing a mandible is only a cranium; this is the source of a very commonly made error in terminology. Those animals having skulls are called craniates. Protection of the brain is only one part of the function of a bony skull. For example, a fixed distance between the eyes is essential for stereoscopic vision, and a fixed position for the ears helps the brain to use auditory cues to judge direction and distance of sounds. In some animals, the skull also has a defensive function (e.g. horned ungulates); the frontal bone is where horns are mounted.
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n. scull, small narrow racing boat rowed by one to four people; single oar located at the stern of a boat

v. scull, row a boat, propel a boat with oars

(n.)
The skeleton of the head of a vertebrate animal, including the brain case, or cranium, and the bones and cartilages of the face and mouth. See Illusts. of Carnivora, of Facial angles under Facial, and of Skeleton, in Appendix.
  

(n.)
The head or brain; the seat of intelligence; mind.
  

(n.)
A sort of oar. See Scull.
  

(n.)
A school, company, or shoal.
  

(n.)
A covering for the head; a skullcap.
  

The skull is a collection of bones which encases the brain and gives form to the head and face. These bones include the following - frontal, parietal, occipital, temporal, sphenoid, ethmoid, zygomatic, maxilla, nasal, vomer, palatine, inferior concha, and mandible.