Wiktionary
n. The bone of the forehead.
WordNet
n. the large cranial bone forming the front part of the cranium: the forehead and the upper part of the orbits [syn: os frontale, forehead]
Wikipedia
The frontal bone is a bone in the human skull. The bone consists of three portions. These are the squamous part, the orbital part, and the nasal part, making up the bony part of the forehead, part of the bony orbital cavity holding the eye, and part of the bony part of the nose respectively. The name comes from the Latin word frons (meaning " forehead").
Usage examples of "frontal bone".
A segment of frontal bone rolled down into a pair of prominent brow ridges.
The mortars were the natural bowl shapes of certain bones, such as the frontal bone of a deer, or pecked out of granite or basalt, just as the stone lamps were.
The Mark of Illumination is affixed to the frontal bone of an adept's skull by the elders of that ancient religion, as a symbol of the Uncloseable Eye that is the highest expression of the Chalactan Enlightenment.
In the first place, the bullet struck the frontal bone at such an angle as to make deflection practically impossible even had the pistol been of smaller caliber.
The frontal bone came slowly into view, then two eye sockets, slimy, sticky matter still clinging inside.
In some of my old books, I've read about certain blows that are supposed to cause instant deathespecially one to the nose that's supposed to drive bone splinters from the fragile sinus into the brain through one of the strongest bones in the human body, the frontal bone of the skull.
The tip of his blade severed the mammoth's trunk and sliced deep into the spongy frontal bone.
He felt the supra-orbital margin of the frontal bone of his skull shatter, and hot blood drenched his eye and tatters of his own skin and flesh hung down over his face like a curtain.
The bigger the town, the more evil it seemed to hold, three centimeters under the frontal bone.