belonging to the front part; being in front-of or pertaining to the forehead or the anterior part of the roof of the brain case; as, the frontal bones.-something worn on the forehead or face; a frontlet-an ornamental band for the hair.-the metal face guard of a soldier.-a little pediment over a door or window.-a movable, decorative member in metal, carved wood, or, commonly, in rich stuff or in embroidery, covering the front of the altar. frontals are usually changed according to the different ceremonies.-a medicament or application for the forehead.-the frontal bone, or one of the two frontal bones, of the cranium.