n. [ F. frontal, fronteau, OF. Frontel, frontal, L. frontale an ornament for the forehead, frontlet. See Front. ] 1. Something worn on the forehead or face; a frontlet; as: (a) An ornamental band for the hair. (b) (Mil.) The metal face guard of a soldier. [ 1913 Webster ]
2. (Arch.) A little pediment over a door or window. [ 1913 Webster ]
3. (Eccl.) 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. [ 1913 Webster ]
4. (Med.) A medicament or application for the forehead. [ Obs. ] Quincy. [ 1913 Webster ]
5. (Anat.) The frontal bone, or one of the two frontal bones, of the cranium. [ 1913 Webster ]
Frontal hammer or
Frontal helve, a forge hammer lifted by a cam, acting upon a “tongue” immediately in front of the hammer head. Raymond.