frontal

from The Century Dictionary.

• Being in front.
• Of or pertaining to the forehead or frons, or to the bone of the forehead: as, the frontal crest of a bird; frontal plates of a reptile.
• In entomology See clypeal suture, under clypeal.
• noun Something worn on the forehead or face; a frontlet.
• noun Something that comes or is situated in front; a front piece or part, as (formerly) the valance of a bed.
• noun Specifically In heraldry: The front of anything, as of a helmet or a cap.
• noun The forehead, as of a human head, used as a bearing.
• noun In architecture, a little pediment or frontispiece over a small door or window.
• noun Eccles.: A movable cover or hanging for the front of an altar.
• noun In England, in the middle ages, also a movable cover of wood or precious metal for the front of the altar. Such a frontal was sometimes called a table (also tabula, tablementum).
• noun In medicine, a medicament or preparation to be applied to the forehead.
• noun In anatomy and zoology, the frontal bone; the bone of the forehead.

from the GNU version of the Collaborative International Dictionary of English.

• adjective (Anat.) Belonging to the front part; being in front.
• noun Something worn on the forehead or face; a frontlet.
• noun An ornamental band for the hair.
• noun (Mil.) The metal face guard of a soldier.
• noun (Arch.) A little pediment over a door or window.
• noun (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.
• noun (Med.), obsolete A medicament or application for the forehead.
• noun (Anat.) The frontal bone, or one of the two frontal bones, of the cranium.
• noun a forge hammer lifted by a cam, acting upon a “tongue” immediately in front of the hammer head.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective Of, relating to, directed toward, or situated at the front: a frontal attack.
• adjective anatomy Of or relating to the forehead or frontal bone.
• adjective anatomy Of or relating to the frontal plane.
• adjective Of or relating to a weather front.
• noun A drapery covering the front of an altar.
• noun The façade of a building.
• noun anatomy The bone at the front of the skull, behind the forehead.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adjective belonging to the front part
• noun an adornment worn on the forehead
• noun a drapery that covers the front of an altar
• noun the face or front of a building
• adjective of or relating to the front of an advancing mass of air
• adjective of or adjacent to the forehead or frontal bone
• adjective meeting front to front